1308208020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3114781}}^1$

素因数の和:3114800

約数の個数: 48

約数和(自身を含む): 4186267008

約数和(自身を除く): 2878058988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3114781, 6229562, 9344343, 12459124, 15573905, 18688686, 21803467, 31147810, 37377372, 43606934, 46721715, 62295620, 65410401, 87213868, 93443430, 109017335, 130820802, 186886860, 218034670, 261641604, 327052005, 436069340, 654104010, 1308208020]

約数ペア:

[(1, 1308208020), (2, 654104010), (3, 436069340), (4, 327052005), (5, 261641604), (6, 218034670), (7, 186886860), (10, 130820802), (12, 109017335), (14, 93443430), (15, 87213868), (20, 65410401), (21, 62295620), (28, 46721715), (30, 43606934), (35, 37377372), (42, 31147810), (60, 21803467), (70, 18688686), (84, 15573905), (105, 12459124), (140, 9344343), (210, 6229562), (420, 3114781)]