61220040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2403

約数の個数: 128

約数和(自身を含む): 216760320

約数和(自身を除く): 155540280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2351, 2604, 3255, 3720, 4340, 4702, 5208, 6510, 7053, 8680, 9404, 11755, 13020, 14106, 16457, 18808, 23510, 26040, 28212, 32914, 35265, 47020, 49371, 56424, 65828, 70530, 72881, 82285, 94040, 98742, 131656, 141060, 145762, 164570, 197484, 218643, 246855, 282120, 291524, 329140, 364405, 394968, 437286, 493710, 510167, 583048, 658280, 728810, 874572, 987420, 1020334, 1093215, 1457620, 1530501, 1749144, 1974840, 2040668, 2186430, 2550835, 2915240, 3061002, 4081336, 4372860, 5101670, 6122004, 7652505, 8745720, 10203340, 12244008, 15305010, 20406680, 30610020, 61220040]

約数ペア:

[(1, 61220040), (2, 30610020), (3, 20406680), (4, 15305010), (5, 12244008), (6, 10203340), (7, 8745720), (8, 7652505), (10, 6122004), (12, 5101670), (14, 4372860), (15, 4081336), (20, 3061002), (21, 2915240), (24, 2550835), (28, 2186430), (30, 2040668), (31, 1974840), (35, 1749144), (40, 1530501), (42, 1457620), (56, 1093215), (60, 1020334), (62, 987420), (70, 874572), (84, 728810), (93, 658280), (105, 583048), (120, 510167), (124, 493710), (140, 437286), (155, 394968), (168, 364405), (186, 329140), (210, 291524), (217, 282120), (248, 246855), (280, 218643), (310, 197484), (372, 164570), (420, 145762), (434, 141060), (465, 131656), (620, 98742), (651, 94040), (744, 82285), (840, 72881), (868, 70530), (930, 65828), (1085, 56424), (1240, 49371), (1302, 47020), (1736, 35265), (1860, 32914), (2170, 28212), (2351, 26040), (2604, 23510), (3255, 18808), (3720, 16457), (4340, 14106), (4702, 13020), (5208, 11755), (6510, 9404), (7053, 8680)]