12760800

素因数分解:

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

素因数の和:445

約数の個数: 144

約数和(自身を含む): 44840880

約数和(自身を除く): 32080080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 409, 416, 480, 520, 600, 624, 650, 780, 800, 818, 975, 1040, 1200, 1227, 1248, 1300, 1560, 1636, 1950, 2045, 2080, 2400, 2454, 2600, 3120, 3272, 3900, 4090, 4908, 5200, 5317, 6135, 6240, 6544, 7800, 8180, 9816, 10225, 10400, 10634, 12270, 13088, 15600, 15951, 16360, 19632, 20450, 21268, 24540, 26585, 30675, 31200, 31902, 32720, 39264, 40900, 42536, 49080, 53170, 61350, 63804, 65440, 79755, 81800, 85072, 98160, 106340, 122700, 127608, 132925, 159510, 163600, 170144, 196320, 212680, 245400, 255216, 265850, 319020, 327200, 398775, 425360, 490800, 510432, 531700, 638040, 797550, 850720, 981600, 1063400, 1276080, 1595100, 2126800, 2552160, 3190200, 4253600, 6380400, 12760800]

約数ペア:

[(1, 12760800), (2, 6380400), (3, 4253600), (4, 3190200), (5, 2552160), (6, 2126800), (8, 1595100), (10, 1276080), (12, 1063400), (13, 981600), (15, 850720), (16, 797550), (20, 638040), (24, 531700), (25, 510432), (26, 490800), (30, 425360), (32, 398775), (39, 327200), (40, 319020), (48, 265850), (50, 255216), (52, 245400), (60, 212680), (65, 196320), (75, 170144), (78, 163600), (80, 159510), (96, 132925), (100, 127608), (104, 122700), (120, 106340), (130, 98160), (150, 85072), (156, 81800), (160, 79755), (195, 65440), (200, 63804), (208, 61350), (240, 53170), (260, 49080), (300, 42536), (312, 40900), (325, 39264), (390, 32720), (400, 31902), (409, 31200), (416, 30675), (480, 26585), (520, 24540), (600, 21268), (624, 20450), (650, 19632), (780, 16360), (800, 15951), (818, 15600), (975, 13088), (1040, 12270), (1200, 10634), (1227, 10400), (1248, 10225), (1300, 9816), (1560, 8180), (1636, 7800), (1950, 6544), (2045, 6240), (2080, 6135), (2400, 5317), (2454, 5200), (2600, 4908), (3120, 4090), (3272, 3900)]