68780280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1867}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 207123840

約数和(自身を除く): 138343560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 614, 921, 1228, 1535, 1842, 1867, 2456, 3070, 3684, 3734, 4605, 5601, 6140, 7368, 7468, 9210, 9335, 11202, 12280, 14936, 18420, 18670, 22404, 28005, 36840, 37340, 44808, 56010, 74680, 112020, 224040, 573169, 1146338, 1719507, 2292676, 2865845, 3439014, 4585352, 5731690, 6878028, 8597535, 11463380, 13756056, 17195070, 22926760, 34390140, 68780280]

約数ペア:

[(1, 68780280), (2, 34390140), (3, 22926760), (4, 17195070), (5, 13756056), (6, 11463380), (8, 8597535), (10, 6878028), (12, 5731690), (15, 4585352), (20, 3439014), (24, 2865845), (30, 2292676), (40, 1719507), (60, 1146338), (120, 573169), (307, 224040), (614, 112020), (921, 74680), (1228, 56010), (1535, 44808), (1842, 37340), (1867, 36840), (2456, 28005), (3070, 22404), (3684, 18670), (3734, 18420), (4605, 14936), (5601, 12280), (6140, 11202), (7368, 9335), (7468, 9210)]