15000040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 37402560

約数和(自身を除く): 22402520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 467, 584, 730, 803, 934, 1460, 1606, 1868, 2335, 2920, 3212, 3736, 4015, 4670, 5137, 6424, 8030, 9340, 10274, 16060, 18680, 20548, 25685, 32120, 34091, 41096, 51370, 68182, 102740, 136364, 170455, 205480, 272728, 340910, 375001, 681820, 750002, 1363640, 1500004, 1875005, 3000008, 3750010, 7500020, 15000040]

約数ペア:

[(1, 15000040), (2, 7500020), (4, 3750010), (5, 3000008), (8, 1875005), (10, 1500004), (11, 1363640), (20, 750002), (22, 681820), (40, 375001), (44, 340910), (55, 272728), (73, 205480), (88, 170455), (110, 136364), (146, 102740), (220, 68182), (292, 51370), (365, 41096), (440, 34091), (467, 32120), (584, 25685), (730, 20548), (803, 18680), (934, 16060), (1460, 10274), (1606, 9340), (1868, 8030), (2335, 6424), (2920, 5137), (3212, 4670), (3736, 4015)]