20157628680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{65033}}^1$

素因数の和:65101

約数の個数: 256

約数和(自身を含む): 78665126400

約数和(自身を除く): 58507497720

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, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3444, 3690, 3780, 4305, 4428, 4920, 5166, 5535, 5740, 6888, 7380, 7560, 7749, 8610, 8856, 10332, 11070, 11480, 12915, 14760, 15498, 17220, 20664, 22140, 25830, 30996, 34440, 38745, 44280, 51660, 61992, 65033, 77490, 103320, 130066, 154980, 195099, 260132, 309960, 325165, 390198, 455231, 520264, 585297, 650330, 780396, 910462, 975495, 1170594, 1300660, 1365693, 1560792, 1755891, 1820924, 1950990, 2276155, 2341188, 2601320, 2666353, 2731386, 2926485, 3511782, 3641848, 3901980, 4097079, 4552310, 4682376, 5332706, 5462772, 5852970, 6828465, 7023564, 7803960, 7999059, 8194158, 8779455, 9104620, 10665412, 10925544, 11705940, 12291237, 13331765, 13656930, 14047128, 15998118, 16388316, 17558910, 18209240, 18664471, 20485395, 21330824, 23411880, 23997177, 24582474, 26663530, 27313860, 31996236, 32776632, 35117820, 37328942, 39995295, 40970790, 47994354, 49164948, 53327060, 54627720, 55993413, 61456185, 63992472, 70235640, 71991531, 74657884, 79990590, 81941580, 93322355, 95988708, 98329896, 106654120, 111986826, 119985885, 122912370, 143983062, 149315768, 159981180, 163883160, 167980239, 186644710, 191977416, 223973652, 239971770, 245824740, 279967065, 287966124, 319962360, 335960478, 359957655, 373289420, 447947304, 479943540, 491649480, 503940717, 559934130, 575932248, 671920956, 719915310, 746578840, 839901195, 959887080, 1007881434, 1119868260, 1343841912, 1439830620, 1679802390, 2015762868, 2239736520, 2519703585, 2879661240, 3359604780, 4031525736, 5039407170, 6719209560, 10078814340, 20157628680]

約数ペア:

[(1, 20157628680), (2, 10078814340), (3, 6719209560), (4, 5039407170), (5, 4031525736), (6, 3359604780), (7, 2879661240), (8, 2519703585), (9, 2239736520), (10, 2015762868), (12, 1679802390), (14, 1439830620), (15, 1343841912), (18, 1119868260), (20, 1007881434), (21, 959887080), (24, 839901195), (27, 746578840), (28, 719915310), (30, 671920956), (35, 575932248), (36, 559934130), (40, 503940717), (41, 491649480), (42, 479943540), (45, 447947304), (54, 373289420), (56, 359957655), (60, 335960478), (63, 319962360), (70, 287966124), (72, 279967065), (82, 245824740), (84, 239971770), (90, 223973652), (105, 191977416), (108, 186644710), (120, 167980239), (123, 163883160), (126, 159981180), (135, 149315768), (140, 143983062), (164, 122912370), (168, 119985885), (180, 111986826), (189, 106654120), (205, 98329896), (210, 95988708), (216, 93322355), (246, 81941580), (252, 79990590), (270, 74657884), (280, 71991531), (287, 70235640), (315, 63992472), (328, 61456185), (360, 55993413), (369, 54627720), (378, 53327060), (410, 49164948), (420, 47994354), (492, 40970790), (504, 39995295), (540, 37328942), (574, 35117820), (615, 32776632), (630, 31996236), (738, 27313860), (756, 26663530), (820, 24582474), (840, 23997177), (861, 23411880), (945, 21330824), (984, 20485395), (1080, 18664471), (1107, 18209240), (1148, 17558910), (1230, 16388316), (1260, 15998118), (1435, 14047128), (1476, 13656930), (1512, 13331765), (1640, 12291237), (1722, 11705940), (1845, 10925544), (1890, 10665412), (2214, 9104620), (2296, 8779455), (2460, 8194158), (2520, 7999059), (2583, 7803960), (2870, 7023564), (2952, 6828465), (3444, 5852970), (3690, 5462772), (3780, 5332706), (4305, 4682376), (4428, 4552310), (4920, 4097079), (5166, 3901980), (5535, 3641848), (5740, 3511782), (6888, 2926485), (7380, 2731386), (7560, 2666353), (7749, 2601320), (8610, 2341188), (8856, 2276155), (10332, 1950990), (11070, 1820924), (11480, 1755891), (12915, 1560792), (14760, 1365693), (15498, 1300660), (17220, 1170594), (20664, 975495), (22140, 910462), (25830, 780396), (30996, 650330), (34440, 585297), (38745, 520264), (44280, 455231), (51660, 390198), (61992, 325165), (65033, 309960), (77490, 260132), (103320, 195099), (130066, 154980)]