2541880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 6415200

約数和(自身を除く): 3873320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 109, 110, 212, 218, 220, 265, 424, 436, 440, 530, 545, 583, 872, 1060, 1090, 1166, 1199, 2120, 2180, 2332, 2398, 2915, 4360, 4664, 4796, 5777, 5830, 5995, 9592, 11554, 11660, 11990, 23108, 23320, 23980, 28885, 46216, 47960, 57770, 63547, 115540, 127094, 231080, 254188, 317735, 508376, 635470, 1270940, 2541880]

約数ペア:

[(1, 2541880), (2, 1270940), (4, 635470), (5, 508376), (8, 317735), (10, 254188), (11, 231080), (20, 127094), (22, 115540), (40, 63547), (44, 57770), (53, 47960), (55, 46216), (88, 28885), (106, 23980), (109, 23320), (110, 23108), (212, 11990), (218, 11660), (220, 11554), (265, 9592), (424, 5995), (436, 5830), (440, 5777), (530, 4796), (545, 4664), (583, 4360), (872, 2915), (1060, 2398), (1090, 2332), (1166, 2180), (1199, 2120)]