31680750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 80668224

約数和(自身を除く): 48987474

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 125, 150, 159, 250, 265, 318, 375, 530, 750, 795, 797, 1325, 1590, 1594, 2391, 2650, 3975, 3985, 4782, 6625, 7950, 7970, 11955, 13250, 19875, 19925, 23910, 39750, 39850, 42241, 59775, 84482, 99625, 119550, 126723, 199250, 211205, 253446, 298875, 422410, 597750, 633615, 1056025, 1267230, 2112050, 3168075, 5280125, 6336150, 10560250, 15840375, 31680750]

約数ペア:

[(1, 31680750), (2, 15840375), (3, 10560250), (5, 6336150), (6, 5280125), (10, 3168075), (15, 2112050), (25, 1267230), (30, 1056025), (50, 633615), (53, 597750), (75, 422410), (106, 298875), (125, 253446), (150, 211205), (159, 199250), (250, 126723), (265, 119550), (318, 99625), (375, 84482), (530, 59775), (750, 42241), (795, 39850), (797, 39750), (1325, 23910), (1590, 19925), (1594, 19875), (2391, 13250), (2650, 11955), (3975, 7970), (3985, 7950), (4782, 6625)]