1320221040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{53407}}^1$

素因数の和:53526

約数の個数: 80

約数和(自身を含む): 4132497408

約数和(自身を除く): 2812276368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 6180, 8240, 12360, 24720, 53407, 106814, 160221, 213628, 267035, 320442, 427256, 534070, 640884, 801105, 854512, 1068140, 1281768, 1602210, 2136280, 2563536, 3204420, 4272560, 5500921, 6408840, 11001842, 12817680, 16502763, 22003684, 27504605, 33005526, 44007368, 55009210, 66011052, 82513815, 88014736, 110018420, 132022104, 165027630, 220036840, 264044208, 330055260, 440073680, 660110520, 1320221040]

約数ペア:

[(1, 1320221040), (2, 660110520), (3, 440073680), (4, 330055260), (5, 264044208), (6, 220036840), (8, 165027630), (10, 132022104), (12, 110018420), (15, 88014736), (16, 82513815), (20, 66011052), (24, 55009210), (30, 44007368), (40, 33005526), (48, 27504605), (60, 22003684), (80, 16502763), (103, 12817680), (120, 11001842), (206, 6408840), (240, 5500921), (309, 4272560), (412, 3204420), (515, 2563536), (618, 2136280), (824, 1602210), (1030, 1281768), (1236, 1068140), (1545, 854512), (1648, 801105), (2060, 640884), (2472, 534070), (3090, 427256), (4120, 320442), (4944, 267035), (6180, 213628), (8240, 160221), (12360, 106814), (24720, 53407)]