130112720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 314243280

約数和(自身を除く): 184130560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 113, 148, 185, 226, 296, 370, 389, 452, 565, 592, 740, 778, 904, 1130, 1480, 1556, 1808, 1945, 2260, 2960, 3112, 3890, 4181, 4520, 6224, 7780, 8362, 9040, 14393, 15560, 16724, 20905, 28786, 31120, 33448, 41810, 43957, 57572, 66896, 71965, 83620, 87914, 115144, 143930, 167240, 175828, 219785, 230288, 287860, 334480, 351656, 439570, 575720, 703312, 879140, 1151440, 1626409, 1758280, 3252818, 3516560, 6505636, 8132045, 13011272, 16264090, 26022544, 32528180, 65056360, 130112720]

約数ペア:

[(1, 130112720), (2, 65056360), (4, 32528180), (5, 26022544), (8, 16264090), (10, 13011272), (16, 8132045), (20, 6505636), (37, 3516560), (40, 3252818), (74, 1758280), (80, 1626409), (113, 1151440), (148, 879140), (185, 703312), (226, 575720), (296, 439570), (370, 351656), (389, 334480), (452, 287860), (565, 230288), (592, 219785), (740, 175828), (778, 167240), (904, 143930), (1130, 115144), (1480, 87914), (1556, 83620), (1808, 71965), (1945, 66896), (2260, 57572), (2960, 43957), (3112, 41810), (3890, 33448), (4181, 31120), (4520, 28786), (6224, 20905), (7780, 16724), (8362, 15560), (9040, 14393)]