1276080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 4270560

約数和(自身を除く): 2994480

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, 409, 520, 624, 780, 818, 1040, 1227, 1560, 1636, 2045, 2454, 3120, 3272, 4090, 4908, 5317, 6135, 6544, 8180, 9816, 10634, 12270, 15951, 16360, 19632, 21268, 24540, 26585, 31902, 32720, 42536, 49080, 53170, 63804, 79755, 85072, 98160, 106340, 127608, 159510, 212680, 255216, 319020, 425360, 638040, 1276080]

約数ペア:

[(1, 1276080), (2, 638040), (3, 425360), (4, 319020), (5, 255216), (6, 212680), (8, 159510), (10, 127608), (12, 106340), (13, 98160), (15, 85072), (16, 79755), (20, 63804), (24, 53170), (26, 49080), (30, 42536), (39, 32720), (40, 31902), (48, 26585), (52, 24540), (60, 21268), (65, 19632), (78, 16360), (80, 15951), (104, 12270), (120, 10634), (130, 9816), (156, 8180), (195, 6544), (208, 6135), (240, 5317), (260, 4908), (312, 4090), (390, 3272), (409, 3120), (520, 2454), (624, 2045), (780, 1636), (818, 1560), (1040, 1227)]