1513820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 3967488

約数和(自身を除く): 2453668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 983, 1540, 1966, 3932, 4915, 6881, 9830, 10813, 13762, 19660, 21626, 27524, 34405, 43252, 54065, 68810, 75691, 108130, 137620, 151382, 216260, 302764, 378455, 756910, 1513820]

約数ペア:

[(1, 1513820), (2, 756910), (4, 378455), (5, 302764), (7, 216260), (10, 151382), (11, 137620), (14, 108130), (20, 75691), (22, 68810), (28, 54065), (35, 43252), (44, 34405), (55, 27524), (70, 21626), (77, 19660), (110, 13762), (140, 10813), (154, 9830), (220, 6881), (308, 4915), (385, 3932), (770, 1966), (983, 1540)]