18287640

素因数分解:

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

素因数の和:127

約数の個数: 256

約数和(自身を含む): 72576000

約数和(自身を除く): 54288360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 59, 60, 63, 70, 72, 82, 84, 90, 105, 108, 118, 120, 123, 126, 135, 140, 164, 168, 177, 180, 189, 205, 210, 216, 236, 246, 252, 270, 280, 287, 295, 315, 328, 354, 360, 369, 378, 410, 413, 420, 472, 492, 504, 531, 540, 574, 590, 615, 630, 708, 738, 756, 820, 826, 840, 861, 885, 945, 984, 1062, 1080, 1107, 1148, 1180, 1230, 1239, 1260, 1416, 1435, 1476, 1512, 1593, 1640, 1652, 1722, 1770, 1845, 1890, 2065, 2124, 2214, 2296, 2360, 2419, 2460, 2478, 2520, 2583, 2655, 2870, 2952, 3186, 3304, 3444, 3540, 3690, 3717, 3780, 4130, 4248, 4305, 4428, 4838, 4920, 4956, 5166, 5310, 5535, 5740, 6195, 6372, 6888, 7080, 7257, 7380, 7434, 7560, 7749, 7965, 8260, 8610, 8856, 9676, 9912, 10332, 10620, 11070, 11151, 11480, 12095, 12390, 12744, 12915, 14514, 14760, 14868, 15498, 15930, 16520, 16933, 17220, 18585, 19352, 20664, 21240, 21771, 22140, 22302, 24190, 24780, 25830, 29028, 29736, 30996, 31860, 33866, 34440, 36285, 37170, 38745, 43542, 44280, 44604, 48380, 49560, 50799, 51660, 55755, 58056, 61992, 63720, 65313, 67732, 72570, 74340, 77490, 84665, 87084, 89208, 96760, 101598, 103320, 108855, 111510, 130626, 135464, 145140, 148680, 152397, 154980, 169330, 174168, 203196, 217710, 223020, 253995, 261252, 290280, 304794, 309960, 326565, 338660, 406392, 435420, 446040, 457191, 507990, 522504, 609588, 653130, 677320, 761985, 870840, 914382, 1015980, 1219176, 1306260, 1523970, 1828764, 2031960, 2285955, 2612520, 3047940, 3657528, 4571910, 6095880, 9143820, 18287640]

約数ペア:

[(1, 18287640), (2, 9143820), (3, 6095880), (4, 4571910), (5, 3657528), (6, 3047940), (7, 2612520), (8, 2285955), (9, 2031960), (10, 1828764), (12, 1523970), (14, 1306260), (15, 1219176), (18, 1015980), (20, 914382), (21, 870840), (24, 761985), (27, 677320), (28, 653130), (30, 609588), (35, 522504), (36, 507990), (40, 457191), (41, 446040), (42, 435420), (45, 406392), (54, 338660), (56, 326565), (59, 309960), (60, 304794), (63, 290280), (70, 261252), (72, 253995), (82, 223020), (84, 217710), (90, 203196), (105, 174168), (108, 169330), (118, 154980), (120, 152397), (123, 148680), (126, 145140), (135, 135464), (140, 130626), (164, 111510), (168, 108855), (177, 103320), (180, 101598), (189, 96760), (205, 89208), (210, 87084), (216, 84665), (236, 77490), (246, 74340), (252, 72570), (270, 67732), (280, 65313), (287, 63720), (295, 61992), (315, 58056), (328, 55755), (354, 51660), (360, 50799), (369, 49560), (378, 48380), (410, 44604), (413, 44280), (420, 43542), (472, 38745), (492, 37170), (504, 36285), (531, 34440), (540, 33866), (574, 31860), (590, 30996), (615, 29736), (630, 29028), (708, 25830), (738, 24780), (756, 24190), (820, 22302), (826, 22140), (840, 21771), (861, 21240), (885, 20664), (945, 19352), (984, 18585), (1062, 17220), (1080, 16933), (1107, 16520), (1148, 15930), (1180, 15498), (1230, 14868), (1239, 14760), (1260, 14514), (1416, 12915), (1435, 12744), (1476, 12390), (1512, 12095), (1593, 11480), (1640, 11151), (1652, 11070), (1722, 10620), (1770, 10332), (1845, 9912), (1890, 9676), (2065, 8856), (2124, 8610), (2214, 8260), (2296, 7965), (2360, 7749), (2419, 7560), (2460, 7434), (2478, 7380), (2520, 7257), (2583, 7080), (2655, 6888), (2870, 6372), (2952, 6195), (3186, 5740), (3304, 5535), (3444, 5310), (3540, 5166), (3690, 4956), (3717, 4920), (3780, 4838), (4130, 4428), (4248, 4305)]