81401640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12799}}^1$

素因数の和:12866

約数の個数: 64

約数和(自身を含む): 248832000

約数和(自身を除く): 167430360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 12799, 25598, 38397, 51196, 63995, 76794, 102392, 127990, 153588, 191985, 255980, 307176, 383970, 511960, 678347, 767940, 1356694, 1535880, 2035041, 2713388, 3391735, 4070082, 5426776, 6783470, 8140164, 10175205, 13566940, 16280328, 20350410, 27133880, 40700820, 81401640]

約数ペア:

[(1, 81401640), (2, 40700820), (3, 27133880), (4, 20350410), (5, 16280328), (6, 13566940), (8, 10175205), (10, 8140164), (12, 6783470), (15, 5426776), (20, 4070082), (24, 3391735), (30, 2713388), (40, 2035041), (53, 1535880), (60, 1356694), (106, 767940), (120, 678347), (159, 511960), (212, 383970), (265, 307176), (318, 255980), (424, 191985), (530, 153588), (636, 127990), (795, 102392), (1060, 76794), (1272, 63995), (1590, 51196), (2120, 38397), (3180, 25598), (6360, 12799)]