31311960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15349}}^1$

素因数の和:15380

約数の個数: 64

約数和(自身を含む): 99468000

約数和(自身を除く): 68156040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15349, 30698, 46047, 61396, 76745, 92094, 122792, 153490, 184188, 230235, 260933, 306980, 368376, 460470, 521866, 613960, 782799, 920940, 1043732, 1304665, 1565598, 1841880, 2087464, 2609330, 3131196, 3913995, 5218660, 6262392, 7827990, 10437320, 15655980, 31311960]

約数ペア:

[(1, 31311960), (2, 15655980), (3, 10437320), (4, 7827990), (5, 6262392), (6, 5218660), (8, 3913995), (10, 3131196), (12, 2609330), (15, 2087464), (17, 1841880), (20, 1565598), (24, 1304665), (30, 1043732), (34, 920940), (40, 782799), (51, 613960), (60, 521866), (68, 460470), (85, 368376), (102, 306980), (120, 260933), (136, 230235), (170, 184188), (204, 153490), (255, 122792), (340, 92094), (408, 76745), (510, 61396), (680, 46047), (1020, 30698), (2040, 15349)]