1639232880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{220327}}^1$

素因数の和:220374

約数の個数: 80

約数和(自身を含む): 5245569024

約数和(自身を除く): 3606336144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 220327, 440654, 660981, 881308, 1101635, 1321962, 1762616, 2203270, 2643924, 3304905, 3525232, 4406540, 5287848, 6609810, 6830137, 8813080, 10575696, 13219620, 13660274, 17626160, 20490411, 26439240, 27320548, 34150685, 40980822, 52878480, 54641096, 68301370, 81961644, 102452055, 109282192, 136602740, 163923288, 204904110, 273205480, 327846576, 409808220, 546410960, 819616440, 1639232880]

約数ペア:

[(1, 1639232880), (2, 819616440), (3, 546410960), (4, 409808220), (5, 327846576), (6, 273205480), (8, 204904110), (10, 163923288), (12, 136602740), (15, 109282192), (16, 102452055), (20, 81961644), (24, 68301370), (30, 54641096), (31, 52878480), (40, 40980822), (48, 34150685), (60, 27320548), (62, 26439240), (80, 20490411), (93, 17626160), (120, 13660274), (124, 13219620), (155, 10575696), (186, 8813080), (240, 6830137), (248, 6609810), (310, 5287848), (372, 4406540), (465, 3525232), (496, 3304905), (620, 2643924), (744, 2203270), (930, 1762616), (1240, 1321962), (1488, 1101635), (1860, 881308), (2480, 660981), (3720, 440654), (7440, 220327)]