256026960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 480

約数和(自身を含む): 1068681600

約数和(自身を除く): 812654640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 48, 49, 54, 56, 59, 60, 63, 70, 72, 80, 82, 84, 90, 98, 105, 108, 112, 118, 120, 123, 126, 135, 140, 144, 147, 164, 168, 177, 180, 189, 196, 205, 210, 216, 236, 240, 245, 246, 252, 270, 280, 287, 294, 295, 315, 328, 336, 354, 360, 369, 378, 392, 410, 413, 420, 432, 441, 472, 490, 492, 504, 531, 540, 560, 574, 588, 590, 615, 630, 656, 708, 720, 735, 738, 756, 784, 820, 826, 840, 861, 882, 885, 944, 945, 980, 984, 1008, 1062, 1080, 1107, 1148, 1176, 1180, 1230, 1239, 1260, 1323, 1416, 1435, 1470, 1476, 1512, 1593, 1640, 1652, 1680, 1722, 1764, 1770, 1845, 1890, 1960, 1968, 2009, 2065, 2124, 2160, 2205, 2214, 2296, 2352, 2360, 2419, 2460, 2478, 2520, 2583, 2646, 2655, 2832, 2870, 2891, 2940, 2952, 3024, 3186, 3280, 3304, 3444, 3528, 3540, 3690, 3717, 3780, 3920, 4018, 4130, 4248, 4305, 4410, 4428, 4592, 4720, 4838, 4920, 4956, 5040, 5166, 5292, 5310, 5535, 5740, 5782, 5880, 5904, 6027, 6195, 6372, 6608, 6615, 6888, 7056, 7080, 7257, 7380, 7434, 7560, 7749, 7965, 8036, 8260, 8496, 8610, 8673, 8820, 8856, 9676, 9840, 9912, 10045, 10332, 10584, 10620, 11070, 11151, 11480, 11564, 11760, 12054, 12095, 12390, 12744, 12915, 13230, 13776, 14160, 14455, 14514, 14760, 14868, 15120, 15498, 15930, 16072, 16520, 16933, 17220, 17346, 17640, 17712, 18081, 18585, 19352, 19824, 20090, 20664, 21168, 21240, 21771, 22140, 22302, 22960, 23128, 24108, 24190, 24780, 25488, 25830, 26019, 26460, 28910, 29028, 29520, 29736, 30135, 30996, 31860, 32144, 33040, 33866, 34440, 34692, 35280, 36162, 36285, 37170, 38704, 38745, 40180, 41328, 42480, 43365, 43542, 44280, 44604, 46256, 48216, 48380, 49560, 50799, 51660, 52038, 52920, 54243, 55755, 57820, 58056, 59472, 60270, 61992, 63720, 65313, 67732, 68880, 69384, 72324, 72570, 74340, 77490, 78057, 80360, 84665, 86730, 87084, 88560, 89208, 90405, 96432, 96760, 99120, 101598, 103320, 104076, 105840, 108486, 108855, 111510, 115640, 116112, 118531, 120540, 123984, 127440, 130095, 130626, 135464, 138768, 144648, 145140, 148680, 152397, 154980, 156114, 160720, 169330, 173460, 174168, 178416, 180810, 193520, 203196, 206640, 208152, 216972, 217710, 223020, 231280, 237062, 241080, 253995, 260190, 261252, 270928, 271215, 289296, 290280, 297360, 304794, 309960, 312228, 326565, 338660, 346920, 348336, 355593, 361620, 390285, 406392, 416304, 433944, 435420, 446040, 457191, 474124, 482160, 507990, 520380, 522504, 542430, 580560, 592655, 609588, 619920, 624456, 653130, 677320, 693840, 711186, 723240, 761985, 780570, 812784, 867888, 870840, 892080, 914382, 948248, 1015980, 1040760, 1045008, 1066779, 1084860, 1185310, 1219176, 1248912, 1306260, 1354640, 1422372, 1446480, 1523970, 1561140, 1741680, 1777965, 1828764, 1896496, 2031960, 2081520, 2133558, 2169720, 2285955, 2370620, 2438352, 2612520, 2844744, 3047940, 3122280, 3200337, 3555930, 3657528, 4063920, 4267116, 4339440, 4571910, 4741240, 5225040, 5333895, 5689488, 6095880, 6244560, 6400674, 7111860, 7315056, 8534232, 9143820, 9482480, 10667790, 12191760, 12801348, 14223720, 16001685, 17068464, 18287640, 21335580, 25602696, 28447440, 32003370, 36575280, 42671160, 51205392, 64006740, 85342320, 128013480, 256026960]

約数ペア:

[(1, 256026960), (2, 128013480), (3, 85342320), (4, 64006740), (5, 51205392), (6, 42671160), (7, 36575280), (8, 32003370), (9, 28447440), (10, 25602696), (12, 21335580), (14, 18287640), (15, 17068464), (16, 16001685), (18, 14223720), (20, 12801348), (21, 12191760), (24, 10667790), (27, 9482480), (28, 9143820), (30, 8534232), (35, 7315056), (36, 7111860), (40, 6400674), (41, 6244560), (42, 6095880), (45, 5689488), (48, 5333895), (49, 5225040), (54, 4741240), (56, 4571910), (59, 4339440), (60, 4267116), (63, 4063920), (70, 3657528), (72, 3555930), (80, 3200337), (82, 3122280), (84, 3047940), (90, 2844744), (98, 2612520), (105, 2438352), (108, 2370620), (112, 2285955), (118, 2169720), (120, 2133558), (123, 2081520), (126, 2031960), (135, 1896496), (140, 1828764), (144, 1777965), (147, 1741680), (164, 1561140), (168, 1523970), (177, 1446480), (180, 1422372), (189, 1354640), (196, 1306260), (205, 1248912), (210, 1219176), (216, 1185310), (236, 1084860), (240, 1066779), (245, 1045008), (246, 1040760), (252, 1015980), (270, 948248), (280, 914382), (287, 892080), (294, 870840), (295, 867888), (315, 812784), (328, 780570), (336, 761985), (354, 723240), (360, 711186), (369, 693840), (378, 677320), (392, 653130), (410, 624456), (413, 619920), (420, 609588), (432, 592655), (441, 580560), (472, 542430), (490, 522504), (492, 520380), (504, 507990), (531, 482160), (540, 474124), (560, 457191), (574, 446040), (588, 435420), (590, 433944), (615, 416304), (630, 406392), (656, 390285), (708, 361620), (720, 355593), (735, 348336), (738, 346920), (756, 338660), (784, 326565), (820, 312228), (826, 309960), (840, 304794), (861, 297360), (882, 290280), (885, 289296), (944, 271215), (945, 270928), (980, 261252), (984, 260190), (1008, 253995), (1062, 241080), (1080, 237062), (1107, 231280), (1148, 223020), (1176, 217710), (1180, 216972), (1230, 208152), (1239, 206640), (1260, 203196), (1323, 193520), (1416, 180810), (1435, 178416), (1470, 174168), (1476, 173460), (1512, 169330), (1593, 160720), (1640, 156114), (1652, 154980), (1680, 152397), (1722, 148680), (1764, 145140), (1770, 144648), (1845, 138768), (1890, 135464), (1960, 130626), (1968, 130095), (2009, 127440), (2065, 123984), (2124, 120540), (2160, 118531), (2205, 116112), (2214, 115640), (2296, 111510), (2352, 108855), (2360, 108486), (2419, 105840), (2460, 104076), (2478, 103320), (2520, 101598), (2583, 99120), (2646, 96760), (2655, 96432), (2832, 90405), (2870, 89208), (2891, 88560), (2940, 87084), (2952, 86730), (3024, 84665), (3186, 80360), (3280, 78057), (3304, 77490), (3444, 74340), (3528, 72570), (3540, 72324), (3690, 69384), (3717, 68880), (3780, 67732), (3920, 65313), (4018, 63720), (4130, 61992), (4248, 60270), (4305, 59472), (4410, 58056), (4428, 57820), (4592, 55755), (4720, 54243), (4838, 52920), (4920, 52038), (4956, 51660), (5040, 50799), (5166, 49560), (5292, 48380), (5310, 48216), (5535, 46256), (5740, 44604), (5782, 44280), (5880, 43542), (5904, 43365), (6027, 42480), (6195, 41328), (6372, 40180), (6608, 38745), (6615, 38704), (6888, 37170), (7056, 36285), (7080, 36162), (7257, 35280), (7380, 34692), (7434, 34440), (7560, 33866), (7749, 33040), (7965, 32144), (8036, 31860), (8260, 30996), (8496, 30135), (8610, 29736), (8673, 29520), (8820, 29028), (8856, 28910), (9676, 26460), (9840, 26019), (9912, 25830), (10045, 25488), (10332, 24780), (10584, 24190), (10620, 24108), (11070, 23128), (11151, 22960), (11480, 22302), (11564, 22140), (11760, 21771), (12054, 21240), (12095, 21168), (12390, 20664), (12744, 20090), (12915, 19824), (13230, 19352), (13776, 18585), (14160, 18081), (14455, 17712), (14514, 17640), (14760, 17346), (14868, 17220), (15120, 16933), (15498, 16520), (15930, 16072)]