128621430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204161}}^1$

素因数の和:204181

約数の個数: 48

約数和(自身を含む): 382191264

約数和(自身を除く): 253569834

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 204161, 408322, 612483, 1020805, 1224966, 1429127, 1837449, 2041610, 2858254, 3062415, 3674898, 4287381, 6124830, 7145635, 8574762, 9187245, 12862143, 14291270, 18374490, 21436905, 25724286, 42873810, 64310715, 128621430]

約数ペア:

[(1, 128621430), (2, 64310715), (3, 42873810), (5, 25724286), (6, 21436905), (7, 18374490), (9, 14291270), (10, 12862143), (14, 9187245), (15, 8574762), (18, 7145635), (21, 6124830), (30, 4287381), (35, 3674898), (42, 3062415), (45, 2858254), (63, 2041610), (70, 1837449), (90, 1429127), (105, 1224966), (126, 1020805), (210, 612483), (315, 408322), (630, 204161)]