31820491260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{247939}}^1$

素因数の和:248008

約数の個数: 144

約数和(自身を含む): 103968184320

約数和(自身を除く): 72147693060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1860, 2070, 2139, 2790, 2852, 3565, 4140, 4278, 5580, 6417, 7130, 8556, 10695, 12834, 14260, 21390, 25668, 32085, 42780, 64170, 128340, 247939, 495878, 743817, 991756, 1239695, 1487634, 2231451, 2479390, 2975268, 3719085, 4462902, 4958780, 5702597, 7438170, 7686109, 8925804, 11157255, 11405194, 14876340, 15372218, 17107791, 22314510, 22810388, 23058327, 28512985, 30744436, 34215582, 38430545, 44629020, 46116654, 51323373, 57025970, 68431164, 69174981, 76861090, 85538955, 92233308, 102646746, 114051940, 115291635, 138349962, 153722180, 171077910, 176780507, 205293492, 230583270, 256616865, 276699924, 342155820, 345874905, 353561014, 461166540, 513233730, 530341521, 691749810, 707122028, 883902535, 1026467460, 1060683042, 1383499620, 1591024563, 1767805070, 2121366084, 2651707605, 3182049126, 3535610140, 5303415210, 6364098252, 7955122815, 10606830420, 15910245630, 31820491260]

約数ペア:

[(1, 31820491260), (2, 15910245630), (3, 10606830420), (4, 7955122815), (5, 6364098252), (6, 5303415210), (9, 3535610140), (10, 3182049126), (12, 2651707605), (15, 2121366084), (18, 1767805070), (20, 1591024563), (23, 1383499620), (30, 1060683042), (31, 1026467460), (36, 883902535), (45, 707122028), (46, 691749810), (60, 530341521), (62, 513233730), (69, 461166540), (90, 353561014), (92, 345874905), (93, 342155820), (115, 276699924), (124, 256616865), (138, 230583270), (155, 205293492), (180, 176780507), (186, 171077910), (207, 153722180), (230, 138349962), (276, 115291635), (279, 114051940), (310, 102646746), (345, 92233308), (372, 85538955), (414, 76861090), (460, 69174981), (465, 68431164), (558, 57025970), (620, 51323373), (690, 46116654), (713, 44629020), (828, 38430545), (930, 34215582), (1035, 30744436), (1116, 28512985), (1380, 23058327), (1395, 22810388), (1426, 22314510), (1860, 17107791), (2070, 15372218), (2139, 14876340), (2790, 11405194), (2852, 11157255), (3565, 8925804), (4140, 7686109), (4278, 7438170), (5580, 5702597), (6417, 4958780), (7130, 4462902), (8556, 3719085), (10695, 2975268), (12834, 2479390), (14260, 2231451), (21390, 1487634), (25668, 1239695), (32085, 991756), (42780, 743817), (64170, 495878), (128340, 247939)]