12806040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8209}}^1$

素因数の和:8236

約数の個数: 64

約数和(自身を含む): 41378400

約数和(自身を除く): 28572360

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, 8209, 16418, 24627, 32836, 41045, 49254, 65672, 82090, 98508, 106717, 123135, 164180, 197016, 213434, 246270, 320151, 328360, 426868, 492540, 533585, 640302, 853736, 985080, 1067170, 1280604, 1600755, 2134340, 2561208, 3201510, 4268680, 6403020, 12806040]

約数ペア:

[(1, 12806040), (2, 6403020), (3, 4268680), (4, 3201510), (5, 2561208), (6, 2134340), (8, 1600755), (10, 1280604), (12, 1067170), (13, 985080), (15, 853736), (20, 640302), (24, 533585), (26, 492540), (30, 426868), (39, 328360), (40, 320151), (52, 246270), (60, 213434), (65, 197016), (78, 164180), (104, 123135), (120, 106717), (130, 98508), (156, 82090), (195, 65672), (260, 49254), (312, 41045), (390, 32836), (520, 24627), (780, 16418), (1560, 8209)]