1640040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 5011200

約数和(自身を除く): 3371160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 173, 237, 316, 346, 395, 474, 519, 632, 692, 790, 865, 948, 1038, 1185, 1384, 1580, 1730, 1896, 2076, 2370, 2595, 3160, 3460, 4152, 4740, 5190, 6920, 9480, 10380, 13667, 20760, 27334, 41001, 54668, 68335, 82002, 109336, 136670, 164004, 205005, 273340, 328008, 410010, 546680, 820020, 1640040]

約数ペア:

[(1, 1640040), (2, 820020), (3, 546680), (4, 410010), (5, 328008), (6, 273340), (8, 205005), (10, 164004), (12, 136670), (15, 109336), (20, 82002), (24, 68335), (30, 54668), (40, 41001), (60, 27334), (79, 20760), (120, 13667), (158, 10380), (173, 9480), (237, 6920), (316, 5190), (346, 4740), (395, 4152), (474, 3460), (519, 3160), (632, 2595), (692, 2370), (790, 2076), (865, 1896), (948, 1730), (1038, 1580), (1185, 1384)]