6640760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 17565120

約数和(自身を除く): 10924360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 641, 740, 1036, 1282, 1295, 1480, 2072, 2564, 2590, 3205, 4487, 5128, 5180, 6410, 8974, 10360, 12820, 17948, 22435, 23717, 25640, 35896, 44870, 47434, 89740, 94868, 118585, 166019, 179480, 189736, 237170, 332038, 474340, 664076, 830095, 948680, 1328152, 1660190, 3320380, 6640760]

約数ペア:

[(1, 6640760), (2, 3320380), (4, 1660190), (5, 1328152), (7, 948680), (8, 830095), (10, 664076), (14, 474340), (20, 332038), (28, 237170), (35, 189736), (37, 179480), (40, 166019), (56, 118585), (70, 94868), (74, 89740), (140, 47434), (148, 44870), (185, 35896), (259, 25640), (280, 23717), (296, 22435), (370, 17948), (518, 12820), (641, 10360), (740, 8974), (1036, 6410), (1282, 5180), (1295, 5128), (1480, 4487), (2072, 3205), (2564, 2590)]