20182281040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{59}}^2\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 180

約数和(自身を含む): 50262384564

約数和(自身を除く): 30080103524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 137, 184, 230, 236, 274, 295, 368, 460, 472, 529, 548, 590, 685, 920, 944, 1058, 1096, 1180, 1357, 1370, 1840, 2116, 2192, 2360, 2645, 2714, 2740, 3151, 3481, 4232, 4720, 5290, 5428, 5480, 6302, 6785, 6962, 8083, 8464, 10580, 10856, 10960, 12604, 13570, 13924, 15755, 16166, 17405, 21160, 21712, 25208, 27140, 27848, 31211, 31510, 32332, 34810, 40415, 42320, 50416, 54280, 55696, 62422, 63020, 64664, 69620, 72473, 80063, 80830, 108560, 124844, 126040, 129328, 139240, 144946, 156055, 160126, 161660, 185909, 249688, 252080, 278480, 289892, 312110, 320252, 323320, 362365, 371818, 400315, 476897, 499376, 579784, 624220, 640504, 646640, 724730, 743636, 800630, 929545, 953794, 1159568, 1248440, 1281008, 1449460, 1487272, 1601260, 1841449, 1859090, 1907588, 2384485, 2496880, 2898920, 2974544, 3202520, 3682898, 3718180, 3815176, 4275907, 4768970, 5797840, 6405040, 7365796, 7436360, 7630352, 8551814, 9207245, 9537940, 10968631, 14731592, 14872720, 17103628, 18414490, 19075880, 21379535, 21937262, 29463184, 34207256, 36828980, 38151760, 42759070, 43874524, 54843155, 68414512, 73657960, 85518140, 87749048, 109686310, 147315920, 171036280, 175498096, 219372620, 252278513, 342072560, 438745240, 504557026, 877490480, 1009114052, 1261392565, 2018228104, 2522785130, 4036456208, 5045570260, 10091140520, 20182281040]

約数ペア:

[(1, 20182281040), (2, 10091140520), (4, 5045570260), (5, 4036456208), (8, 2522785130), (10, 2018228104), (16, 1261392565), (20, 1009114052), (23, 877490480), (40, 504557026), (46, 438745240), (59, 342072560), (80, 252278513), (92, 219372620), (115, 175498096), (118, 171036280), (137, 147315920), (184, 109686310), (230, 87749048), (236, 85518140), (274, 73657960), (295, 68414512), (368, 54843155), (460, 43874524), (472, 42759070), (529, 38151760), (548, 36828980), (590, 34207256), (685, 29463184), (920, 21937262), (944, 21379535), (1058, 19075880), (1096, 18414490), (1180, 17103628), (1357, 14872720), (1370, 14731592), (1840, 10968631), (2116, 9537940), (2192, 9207245), (2360, 8551814), (2645, 7630352), (2714, 7436360), (2740, 7365796), (3151, 6405040), (3481, 5797840), (4232, 4768970), (4720, 4275907), (5290, 3815176), (5428, 3718180), (5480, 3682898), (6302, 3202520), (6785, 2974544), (6962, 2898920), (8083, 2496880), (8464, 2384485), (10580, 1907588), (10856, 1859090), (10960, 1841449), (12604, 1601260), (13570, 1487272), (13924, 1449460), (15755, 1281008), (16166, 1248440), (17405, 1159568), (21160, 953794), (21712, 929545), (25208, 800630), (27140, 743636), (27848, 724730), (31211, 646640), (31510, 640504), (32332, 624220), (34810, 579784), (40415, 499376), (42320, 476897), (50416, 400315), (54280, 371818), (55696, 362365), (62422, 323320), (63020, 320252), (64664, 312110), (69620, 289892), (72473, 278480), (80063, 252080), (80830, 249688), (108560, 185909), (124844, 161660), (126040, 160126), (129328, 156055), (139240, 144946)]