15703728280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{238949}}^1$

素因数の和:239044

約数の個数: 64

約数和(自身を含む): 37161504000

約数和(自身を除く): 21457775720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 3286, 6572, 8215, 13144, 16430, 32860, 65720, 238949, 477898, 955796, 1194745, 1911592, 2389490, 4778980, 7407419, 9557960, 12664297, 14814838, 25328594, 29629676, 37037095, 50657188, 59259352, 63321485, 74074190, 101314376, 126642970, 148148380, 253285940, 296296760, 392593207, 506571880, 785186414, 1570372828, 1962966035, 3140745656, 3925932070, 7851864140, 15703728280]

約数ペア:

[(1, 15703728280), (2, 7851864140), (4, 3925932070), (5, 3140745656), (8, 1962966035), (10, 1570372828), (20, 785186414), (31, 506571880), (40, 392593207), (53, 296296760), (62, 253285940), (106, 148148380), (124, 126642970), (155, 101314376), (212, 74074190), (248, 63321485), (265, 59259352), (310, 50657188), (424, 37037095), (530, 29629676), (620, 25328594), (1060, 14814838), (1240, 12664297), (1643, 9557960), (2120, 7407419), (3286, 4778980), (6572, 2389490), (8215, 1911592), (13144, 1194745), (16430, 955796), (32860, 477898), (65720, 238949)]