68460720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2742

約数の個数: 80

約数和(自身を含む): 214257120

約数和(自身を除く): 145796400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 2617, 3270, 4360, 5232, 5234, 6540, 7851, 8720, 10468, 13080, 13085, 15702, 20936, 26160, 26170, 31404, 39255, 41872, 52340, 62808, 78510, 104680, 125616, 157020, 209360, 285253, 314040, 570506, 628080, 855759, 1141012, 1426265, 1711518, 2282024, 2852530, 3423036, 4278795, 4564048, 5705060, 6846072, 8557590, 11410120, 13692144, 17115180, 22820240, 34230360, 68460720]

約数ペア:

[(1, 68460720), (2, 34230360), (3, 22820240), (4, 17115180), (5, 13692144), (6, 11410120), (8, 8557590), (10, 6846072), (12, 5705060), (15, 4564048), (16, 4278795), (20, 3423036), (24, 2852530), (30, 2282024), (40, 1711518), (48, 1426265), (60, 1141012), (80, 855759), (109, 628080), (120, 570506), (218, 314040), (240, 285253), (327, 209360), (436, 157020), (545, 125616), (654, 104680), (872, 78510), (1090, 62808), (1308, 52340), (1635, 41872), (1744, 39255), (2180, 31404), (2616, 26170), (2617, 26160), (3270, 20936), (4360, 15702), (5232, 13085), (5234, 13080), (6540, 10468), (7851, 8720)]