64874120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 151165440

約数和(自身を除く): 86291320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 431, 530, 568, 710, 862, 1060, 1420, 1724, 2120, 2155, 2840, 3448, 3763, 4310, 7526, 8620, 15052, 17240, 18815, 22843, 30104, 30601, 37630, 45686, 61202, 75260, 91372, 114215, 122404, 150520, 153005, 182744, 228430, 244808, 306010, 456860, 612020, 913720, 1224040, 1621853, 3243706, 6487412, 8109265, 12974824, 16218530, 32437060, 64874120]

約数ペア:

[(1, 64874120), (2, 32437060), (4, 16218530), (5, 12974824), (8, 8109265), (10, 6487412), (20, 3243706), (40, 1621853), (53, 1224040), (71, 913720), (106, 612020), (142, 456860), (212, 306010), (265, 244808), (284, 228430), (355, 182744), (424, 153005), (431, 150520), (530, 122404), (568, 114215), (710, 91372), (862, 75260), (1060, 61202), (1420, 45686), (1724, 37630), (2120, 30601), (2155, 30104), (2840, 22843), (3448, 18815), (3763, 17240), (4310, 15052), (7526, 8620)]