309560580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{245683}}^1$

素因数の和:245705

約数の個数: 72

約数和(自身を含む): 1073147712

約数和(自身を除く): 763587132

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, 245683, 491366, 737049, 982732, 1228415, 1474098, 1719781, 2211147, 2456830, 2948196, 3439562, 3685245, 4422294, 4913660, 5159343, 6879124, 7370490, 8598905, 8844588, 10318686, 11055735, 14740980, 15478029, 17197810, 20637372, 22111470, 25796715, 30956058, 34395620, 44222940, 51593430, 61912116, 77390145, 103186860, 154780290, 309560580]

約数ペア:

[(1, 309560580), (2, 154780290), (3, 103186860), (4, 77390145), (5, 61912116), (6, 51593430), (7, 44222940), (9, 34395620), (10, 30956058), (12, 25796715), (14, 22111470), (15, 20637372), (18, 17197810), (20, 15478029), (21, 14740980), (28, 11055735), (30, 10318686), (35, 8844588), (36, 8598905), (42, 7370490), (45, 6879124), (60, 5159343), (63, 4913660), (70, 4422294), (84, 3685245), (90, 3439562), (105, 2948196), (126, 2456830), (140, 2211147), (180, 1719781), (210, 1474098), (252, 1228415), (315, 982732), (420, 737049), (630, 491366), (1260, 245683)]