820172010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{2551}}^1$

素因数の和:4099

約数の個数: 64

約数和(自身を含む): 2251966464

約数和(自身を除く): 1431794454

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1531, 2551, 3062, 4593, 5102, 7653, 7655, 9186, 10717, 12755, 15306, 15310, 17857, 21434, 22965, 25510, 32151, 35714, 38265, 45930, 53571, 53585, 64302, 76530, 89285, 107142, 107170, 160755, 178570, 267855, 321510, 535710, 3905581, 7811162, 11716743, 19527905, 23433486, 27339067, 39055810, 54678134, 58583715, 82017201, 117167430, 136695335, 164034402, 273390670, 410086005, 820172010]

約数ペア:

[(1, 820172010), (2, 410086005), (3, 273390670), (5, 164034402), (6, 136695335), (7, 117167430), (10, 82017201), (14, 58583715), (15, 54678134), (21, 39055810), (30, 27339067), (35, 23433486), (42, 19527905), (70, 11716743), (105, 7811162), (210, 3905581), (1531, 535710), (2551, 321510), (3062, 267855), (4593, 178570), (5102, 160755), (7653, 107170), (7655, 107142), (9186, 89285), (10717, 76530), (12755, 64302), (15306, 53585), (15310, 53571), (17857, 45930), (21434, 38265), (22965, 35714), (25510, 32151)]