120054280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 278530560

約数和(自身を除く): 158476280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 223, 313, 344, 430, 446, 626, 860, 892, 1115, 1252, 1565, 1720, 1784, 2230, 2504, 3130, 4460, 6260, 8920, 9589, 12520, 13459, 19178, 26918, 38356, 47945, 53836, 67295, 69799, 76712, 95890, 107672, 134590, 139598, 191780, 269180, 279196, 348995, 383560, 538360, 558392, 697990, 1395980, 2791960, 3001357, 6002714, 12005428, 15006785, 24010856, 30013570, 60027140, 120054280]

約数ペア:

[(1, 120054280), (2, 60027140), (4, 30013570), (5, 24010856), (8, 15006785), (10, 12005428), (20, 6002714), (40, 3001357), (43, 2791960), (86, 1395980), (172, 697990), (215, 558392), (223, 538360), (313, 383560), (344, 348995), (430, 279196), (446, 269180), (626, 191780), (860, 139598), (892, 134590), (1115, 107672), (1252, 95890), (1565, 76712), (1720, 69799), (1784, 67295), (2230, 53836), (2504, 47945), (3130, 38356), (4460, 26918), (6260, 19178), (8920, 13459), (9589, 12520)]