128907480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82633}}^1$

素因数の和:82660

約数の個数: 64

約数和(自身を含む): 416475360

約数和(自身を除く): 287567880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 82633, 165266, 247899, 330532, 413165, 495798, 661064, 826330, 991596, 1074229, 1239495, 1652660, 1983192, 2148458, 2478990, 3222687, 3305320, 4296916, 4957980, 5371145, 6445374, 8593832, 9915960, 10742290, 12890748, 16113435, 21484580, 25781496, 32226870, 42969160, 64453740, 128907480]

約数ペア:

[(1, 128907480), (2, 64453740), (3, 42969160), (4, 32226870), (5, 25781496), (6, 21484580), (8, 16113435), (10, 12890748), (12, 10742290), (13, 9915960), (15, 8593832), (20, 6445374), (24, 5371145), (26, 4957980), (30, 4296916), (39, 3305320), (40, 3222687), (52, 2478990), (60, 2148458), (65, 1983192), (78, 1652660), (104, 1239495), (120, 1074229), (130, 991596), (156, 826330), (195, 661064), (260, 495798), (312, 413165), (390, 330532), (520, 247899), (780, 165266), (1560, 82633)]