128263380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43627}}^1$

素因数の和:43653

約数の個数: 72

約数和(自身を含む): 417781728

約数和(自身を除く): 289518348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 43627, 87254, 130881, 174508, 218135, 261762, 305389, 436270, 523524, 610778, 654405, 872540, 916167, 1221556, 1308810, 1526945, 1832334, 2137723, 2617620, 3053890, 3664668, 4275446, 4580835, 6107780, 6413169, 8550892, 9161670, 10688615, 12826338, 18323340, 21377230, 25652676, 32065845, 42754460, 64131690, 128263380]

約数ペア:

[(1, 128263380), (2, 64131690), (3, 42754460), (4, 32065845), (5, 25652676), (6, 21377230), (7, 18323340), (10, 12826338), (12, 10688615), (14, 9161670), (15, 8550892), (20, 6413169), (21, 6107780), (28, 4580835), (30, 4275446), (35, 3664668), (42, 3053890), (49, 2617620), (60, 2137723), (70, 1832334), (84, 1526945), (98, 1308810), (105, 1221556), (140, 916167), (147, 872540), (196, 654405), (210, 610778), (245, 523524), (294, 436270), (420, 305389), (490, 261762), (588, 218135), (735, 174508), (980, 130881), (1470, 87254), (2940, 43627)]