128870040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{82609}}^1$

素因数の和:82636

約数の個数: 64

約数和(自身を含む): 416354400

約数和(自身を除く): 287484360

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, 82609, 165218, 247827, 330436, 413045, 495654, 660872, 826090, 991308, 1073917, 1239135, 1652180, 1982616, 2147834, 2478270, 3221751, 3304360, 4295668, 4956540, 5369585, 6443502, 8591336, 9913080, 10739170, 12887004, 16108755, 21478340, 25774008, 32217510, 42956680, 64435020, 128870040]

約数ペア:

[(1, 128870040), (2, 64435020), (3, 42956680), (4, 32217510), (5, 25774008), (6, 21478340), (8, 16108755), (10, 12887004), (12, 10739170), (13, 9913080), (15, 8591336), (20, 6443502), (24, 5369585), (26, 4956540), (30, 4295668), (39, 3304360), (40, 3221751), (52, 2478270), (60, 2147834), (65, 1982616), (78, 1652180), (104, 1239135), (120, 1073917), (130, 991308), (156, 826090), (195, 660872), (260, 495654), (312, 413045), (390, 330436), (520, 247827), (780, 165218), (1560, 82609)]