87477520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 232157016

約数和(自身を除く): 144679496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 233, 247, 260, 304, 361, 380, 466, 494, 520, 722, 760, 932, 988, 1040, 1165, 1235, 1444, 1520, 1805, 1864, 1976, 2330, 2470, 2888, 3029, 3610, 3728, 3952, 4427, 4660, 4693, 4940, 5776, 6058, 7220, 8854, 9320, 9386, 9880, 12116, 14440, 15145, 17708, 18640, 18772, 19760, 22135, 23465, 24232, 28880, 30290, 35416, 37544, 44270, 46930, 48464, 57551, 60580, 70832, 75088, 84113, 88540, 93860, 115102, 121160, 168226, 177080, 187720, 230204, 242320, 287755, 336452, 354160, 375440, 420565, 460408, 575510, 672904, 841130, 920816, 1093469, 1151020, 1345808, 1682260, 2186938, 2302040, 3364520, 4373876, 4604080, 5467345, 6729040, 8747752, 10934690, 17495504, 21869380, 43738760, 87477520]

約数ペア:

[(1, 87477520), (2, 43738760), (4, 21869380), (5, 17495504), (8, 10934690), (10, 8747752), (13, 6729040), (16, 5467345), (19, 4604080), (20, 4373876), (26, 3364520), (38, 2302040), (40, 2186938), (52, 1682260), (65, 1345808), (76, 1151020), (80, 1093469), (95, 920816), (104, 841130), (130, 672904), (152, 575510), (190, 460408), (208, 420565), (233, 375440), (247, 354160), (260, 336452), (304, 287755), (361, 242320), (380, 230204), (466, 187720), (494, 177080), (520, 168226), (722, 121160), (760, 115102), (932, 93860), (988, 88540), (1040, 84113), (1165, 75088), (1235, 70832), (1444, 60580), (1520, 57551), (1805, 48464), (1864, 46930), (1976, 44270), (2330, 37544), (2470, 35416), (2888, 30290), (3029, 28880), (3610, 24232), (3728, 23465), (3952, 22135), (4427, 19760), (4660, 18772), (4693, 18640), (4940, 17708), (5776, 15145), (6058, 14440), (7220, 12116), (8854, 9880), (9320, 9386)]