320424012920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{9975841}}^1$

素因数の和:9975936

約数の個数: 64

約数和(自身を含む): 797269292640

約数和(自身を除く): 476845279720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 16060, 32120, 9975841, 19951682, 39903364, 49879205, 79806728, 99758410, 109734251, 199516820, 219468502, 399033640, 438937004, 548671255, 728236393, 877874008, 1097342510, 1456472786, 2194685020, 2912945572, 3641181965, 4389370040, 5825891144, 7282363930, 8010600323, 14564727860, 16021200646, 29129455720, 32042401292, 40053001615, 64084802584, 80106003230, 160212006460, 320424012920]

約数ペア:

[(1, 320424012920), (2, 160212006460), (4, 80106003230), (5, 64084802584), (8, 40053001615), (10, 32042401292), (11, 29129455720), (20, 16021200646), (22, 14564727860), (40, 8010600323), (44, 7282363930), (55, 5825891144), (73, 4389370040), (88, 3641181965), (110, 2912945572), (146, 2194685020), (220, 1456472786), (292, 1097342510), (365, 877874008), (440, 728236393), (584, 548671255), (730, 438937004), (803, 399033640), (1460, 219468502), (1606, 199516820), (2920, 109734251), (3212, 99758410), (4015, 79806728), (6424, 49879205), (8030, 39903364), (16060, 19951682), (32120, 9975841)]