87863680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 137744000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 64, 80, 92, 94, 115, 127, 128, 160, 184, 188, 230, 235, 254, 320, 368, 376, 460, 470, 508, 635, 640, 736, 752, 920, 940, 1016, 1081, 1270, 1472, 1504, 1840, 1880, 2032, 2162, 2540, 2921, 2944, 3008, 3680, 3760, 4064, 4324, 5080, 5405, 5842, 5969, 6016, 7360, 7520, 8128, 8648, 10160, 10810, 11684, 11938, 14605, 14720, 15040, 16256, 17296, 20320, 21620, 23368, 23876, 29210, 29845, 30080, 34592, 40640, 43240, 46736, 47752, 58420, 59690, 69184, 81280, 86480, 93472, 95504, 116840, 119380, 137287, 138368, 172960, 186944, 191008, 233680, 238760, 274574, 345920, 373888, 382016, 467360, 477520, 549148, 686435, 691840, 764032, 934720, 955040, 1098296, 1372870, 1869440, 1910080, 2196592, 2745740, 3820160, 4393184, 5491480, 8786368, 10982960, 17572736, 21965920, 43931840, 87863680]

約数ペア:

[(1, 87863680), (2, 43931840), (4, 21965920), (5, 17572736), (8, 10982960), (10, 8786368), (16, 5491480), (20, 4393184), (23, 3820160), (32, 2745740), (40, 2196592), (46, 1910080), (47, 1869440), (64, 1372870), (80, 1098296), (92, 955040), (94, 934720), (115, 764032), (127, 691840), (128, 686435), (160, 549148), (184, 477520), (188, 467360), (230, 382016), (235, 373888), (254, 345920), (320, 274574), (368, 238760), (376, 233680), (460, 191008), (470, 186944), (508, 172960), (635, 138368), (640, 137287), (736, 119380), (752, 116840), (920, 95504), (940, 93472), (1016, 86480), (1081, 81280), (1270, 69184), (1472, 59690), (1504, 58420), (1840, 47752), (1880, 46736), (2032, 43240), (2162, 40640), (2540, 34592), (2921, 30080), (2944, 29845), (3008, 29210), (3680, 23876), (3760, 23368), (4064, 21620), (4324, 20320), (5080, 17296), (5405, 16256), (5842, 15040), (5969, 14720), (6016, 14605), (7360, 11938), (7520, 11684), (8128, 10810), (8648, 10160)]