72501880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3109}}^1$

素因数の和:3184

約数の個数: 64

約数和(自身を含む): 181375200

約数和(自身を除く): 108873320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 3109, 4664, 5830, 6218, 11660, 12436, 15545, 23320, 24872, 31090, 34199, 62180, 68398, 124360, 136796, 164777, 170995, 273592, 329554, 341990, 659108, 683980, 823885, 1318216, 1367960, 1647770, 1812547, 3295540, 3625094, 6591080, 7250188, 9062735, 14500376, 18125470, 36250940, 72501880]

約数ペア:

[(1, 72501880), (2, 36250940), (4, 18125470), (5, 14500376), (8, 9062735), (10, 7250188), (11, 6591080), (20, 3625094), (22, 3295540), (40, 1812547), (44, 1647770), (53, 1367960), (55, 1318216), (88, 823885), (106, 683980), (110, 659108), (212, 341990), (220, 329554), (265, 273592), (424, 170995), (440, 164777), (530, 136796), (583, 124360), (1060, 68398), (1166, 62180), (2120, 34199), (2332, 31090), (2915, 24872), (3109, 23320), (4664, 15545), (5830, 12436), (6218, 11660)]