128347380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101863}}^1$

素因数の和:101885

約数の個数: 72

約数和(自身を含む): 444941952

約数和(自身を除く): 316594572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 101863, 203726, 305589, 407452, 509315, 611178, 713041, 916767, 1018630, 1222356, 1426082, 1527945, 1833534, 2037260, 2139123, 2852164, 3055890, 3565205, 3667068, 4278246, 4583835, 6111780, 6417369, 7130410, 8556492, 9167670, 10695615, 12834738, 14260820, 18335340, 21391230, 25669476, 32086845, 42782460, 64173690, 128347380]

約数ペア:

[(1, 128347380), (2, 64173690), (3, 42782460), (4, 32086845), (5, 25669476), (6, 21391230), (7, 18335340), (9, 14260820), (10, 12834738), (12, 10695615), (14, 9167670), (15, 8556492), (18, 7130410), (20, 6417369), (21, 6111780), (28, 4583835), (30, 4278246), (35, 3667068), (36, 3565205), (42, 3055890), (45, 2852164), (60, 2139123), (63, 2037260), (70, 1833534), (84, 1527945), (90, 1426082), (105, 1222356), (126, 1018630), (140, 916767), (180, 713041), (210, 611178), (252, 509315), (315, 407452), (420, 305589), (630, 203726), (1260, 101863)]