61916580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31271}}^1$

素因数の和:31297

約数の個数: 72

約数和(自身を含む): 204894144

約数和(自身を除く): 142977564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 31271, 62542, 93813, 125084, 156355, 187626, 281439, 312710, 343981, 375252, 469065, 562878, 625420, 687962, 938130, 1031943, 1125756, 1375924, 1407195, 1719905, 1876260, 2063886, 2814390, 3095829, 3439810, 4127772, 5159715, 5628780, 6191658, 6879620, 10319430, 12383316, 15479145, 20638860, 30958290, 61916580]

約数ペア:

[(1, 61916580), (2, 30958290), (3, 20638860), (4, 15479145), (5, 12383316), (6, 10319430), (9, 6879620), (10, 6191658), (11, 5628780), (12, 5159715), (15, 4127772), (18, 3439810), (20, 3095829), (22, 2814390), (30, 2063886), (33, 1876260), (36, 1719905), (44, 1407195), (45, 1375924), (55, 1125756), (60, 1031943), (66, 938130), (90, 687962), (99, 625420), (110, 562878), (132, 469065), (165, 375252), (180, 343981), (198, 312710), (220, 281439), (330, 187626), (396, 156355), (495, 125084), (660, 93813), (990, 62542), (1980, 31271)]