64067720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 150329520

約数和(自身を除く): 86261800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 73, 74, 146, 148, 185, 292, 296, 365, 370, 584, 593, 730, 740, 1186, 1460, 1480, 2372, 2701, 2920, 2965, 4744, 5402, 5930, 10804, 11860, 13505, 21608, 21941, 23720, 27010, 43289, 43882, 54020, 86578, 87764, 108040, 109705, 173156, 175528, 216445, 219410, 346312, 432890, 438820, 865780, 877640, 1601693, 1731560, 3203386, 6406772, 8008465, 12813544, 16016930, 32033860, 64067720]

約数ペア:

[(1, 64067720), (2, 32033860), (4, 16016930), (5, 12813544), (8, 8008465), (10, 6406772), (20, 3203386), (37, 1731560), (40, 1601693), (73, 877640), (74, 865780), (146, 438820), (148, 432890), (185, 346312), (292, 219410), (296, 216445), (365, 175528), (370, 173156), (584, 109705), (593, 108040), (730, 87764), (740, 86578), (1186, 54020), (1460, 43882), (1480, 43289), (2372, 27010), (2701, 23720), (2920, 21941), (2965, 21608), (4744, 13505), (5402, 11860), (5930, 10804)]