64637040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20717}}^1$

素因数の和:20746

約数の個数: 80

約数和(自身を含む): 215798688

約数和(自身を除く): 151161648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20717, 41434, 62151, 82868, 103585, 124302, 165736, 207170, 248604, 269321, 310755, 331472, 414340, 497208, 538642, 621510, 807963, 828680, 994416, 1077284, 1243020, 1346605, 1615926, 1657360, 2154568, 2486040, 2693210, 3231852, 4039815, 4309136, 4972080, 5386420, 6463704, 8079630, 10772840, 12927408, 16159260, 21545680, 32318520, 64637040]

約数ペア:

[(1, 64637040), (2, 32318520), (3, 21545680), (4, 16159260), (5, 12927408), (6, 10772840), (8, 8079630), (10, 6463704), (12, 5386420), (13, 4972080), (15, 4309136), (16, 4039815), (20, 3231852), (24, 2693210), (26, 2486040), (30, 2154568), (39, 1657360), (40, 1615926), (48, 1346605), (52, 1243020), (60, 1077284), (65, 994416), (78, 828680), (80, 807963), (104, 621510), (120, 538642), (130, 497208), (156, 414340), (195, 331472), (208, 310755), (240, 269321), (260, 248604), (312, 207170), (390, 165736), (520, 124302), (624, 103585), (780, 82868), (1040, 62151), (1560, 41434), (3120, 20717)]