68984960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 185068800

約数和(自身を除く): 116083840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 128, 160, 164, 176, 205, 220, 239, 320, 328, 352, 410, 440, 451, 478, 640, 656, 704, 820, 880, 902, 956, 1195, 1312, 1408, 1640, 1760, 1804, 1912, 2255, 2390, 2624, 2629, 3280, 3520, 3608, 3824, 4510, 4780, 5248, 5258, 6560, 7040, 7216, 7648, 9020, 9560, 9799, 10516, 13120, 13145, 14432, 15296, 18040, 19120, 19598, 21032, 26240, 26290, 28864, 30592, 36080, 38240, 39196, 42064, 48995, 52580, 57728, 72160, 76480, 78392, 84128, 97990, 105160, 107789, 144320, 152960, 156784, 168256, 195980, 210320, 215578, 288640, 313568, 336512, 391960, 420640, 431156, 538945, 627136, 783920, 841280, 862312, 1077890, 1254272, 1567840, 1682560, 1724624, 2155780, 3135680, 3449248, 4311560, 6271360, 6898496, 8623120, 13796992, 17246240, 34492480, 68984960]

約数ペア:

[(1, 68984960), (2, 34492480), (4, 17246240), (5, 13796992), (8, 8623120), (10, 6898496), (11, 6271360), (16, 4311560), (20, 3449248), (22, 3135680), (32, 2155780), (40, 1724624), (41, 1682560), (44, 1567840), (55, 1254272), (64, 1077890), (80, 862312), (82, 841280), (88, 783920), (110, 627136), (128, 538945), (160, 431156), (164, 420640), (176, 391960), (205, 336512), (220, 313568), (239, 288640), (320, 215578), (328, 210320), (352, 195980), (410, 168256), (440, 156784), (451, 152960), (478, 144320), (640, 107789), (656, 105160), (704, 97990), (820, 84128), (880, 78392), (902, 76480), (956, 72160), (1195, 57728), (1312, 52580), (1408, 48995), (1640, 42064), (1760, 39196), (1804, 38240), (1912, 36080), (2255, 30592), (2390, 28864), (2624, 26290), (2629, 26240), (3280, 21032), (3520, 19598), (3608, 19120), (3824, 18040), (4510, 15296), (4780, 14432), (5248, 13145), (5258, 13120), (6560, 10516), (7040, 9799), (7216, 9560), (7648, 9020)]