137969920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 370863360

約数和(自身を除く): 232893440

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, 256, 320, 328, 352, 410, 440, 451, 478, 640, 656, 704, 820, 880, 902, 956, 1195, 1280, 1312, 1408, 1640, 1760, 1804, 1912, 2255, 2390, 2624, 2629, 2816, 3280, 3520, 3608, 3824, 4510, 4780, 5248, 5258, 6560, 7040, 7216, 7648, 9020, 9560, 9799, 10496, 10516, 13120, 13145, 14080, 14432, 15296, 18040, 19120, 19598, 21032, 26240, 26290, 28864, 30592, 36080, 38240, 39196, 42064, 48995, 52480, 52580, 57728, 61184, 72160, 76480, 78392, 84128, 97990, 105160, 107789, 115456, 144320, 152960, 156784, 168256, 195980, 210320, 215578, 288640, 305920, 313568, 336512, 391960, 420640, 431156, 538945, 577280, 627136, 673024, 783920, 841280, 862312, 1077890, 1254272, 1567840, 1682560, 1724624, 2155780, 2508544, 3135680, 3365120, 3449248, 4311560, 6271360, 6898496, 8623120, 12542720, 13796992, 17246240, 27593984, 34492480, 68984960, 137969920]

約数ペア:

[(1, 137969920), (2, 68984960), (4, 34492480), (5, 27593984), (8, 17246240), (10, 13796992), (11, 12542720), (16, 8623120), (20, 6898496), (22, 6271360), (32, 4311560), (40, 3449248), (41, 3365120), (44, 3135680), (55, 2508544), (64, 2155780), (80, 1724624), (82, 1682560), (88, 1567840), (110, 1254272), (128, 1077890), (160, 862312), (164, 841280), (176, 783920), (205, 673024), (220, 627136), (239, 577280), (256, 538945), (320, 431156), (328, 420640), (352, 391960), (410, 336512), (440, 313568), (451, 305920), (478, 288640), (640, 215578), (656, 210320), (704, 195980), (820, 168256), (880, 156784), (902, 152960), (956, 144320), (1195, 115456), (1280, 107789), (1312, 105160), (1408, 97990), (1640, 84128), (1760, 78392), (1804, 76480), (1912, 72160), (2255, 61184), (2390, 57728), (2624, 52580), (2629, 52480), (2816, 48995), (3280, 42064), (3520, 39196), (3608, 38240), (3824, 36080), (4510, 30592), (4780, 28864), (5248, 26290), (5258, 26240), (6560, 21032), (7040, 19598), (7216, 19120), (7648, 18040), (9020, 15296), (9560, 14432), (9799, 14080), (10496, 13145), (10516, 13120)]