1279792810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 2497340160

約数和(自身を除く): 1217547350

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 167, 170, 305, 334, 610, 739, 835, 1037, 1478, 1670, 2074, 2839, 3695, 5185, 5678, 7390, 10187, 10370, 12563, 14195, 20374, 25126, 28390, 45079, 50935, 62815, 90158, 101870, 123413, 125630, 173179, 225395, 246826, 346358, 450790, 617065, 766343, 865895, 1234130, 1532686, 1731790, 2098021, 3831715, 4196042, 7528193, 7663430, 10490105, 15056386, 20980210, 37640965, 75281930, 127979281, 255958562, 639896405, 1279792810]

約数ペア:

[(1, 1279792810), (2, 639896405), (5, 255958562), (10, 127979281), (17, 75281930), (34, 37640965), (61, 20980210), (85, 15056386), (122, 10490105), (167, 7663430), (170, 7528193), (305, 4196042), (334, 3831715), (610, 2098021), (739, 1731790), (835, 1532686), (1037, 1234130), (1478, 865895), (1670, 766343), (2074, 617065), (2839, 450790), (3695, 346358), (5185, 246826), (5678, 225395), (7390, 173179), (10187, 125630), (10370, 123413), (12563, 101870), (14195, 90158), (20374, 62815), (25126, 50935), (28390, 45079)]