247311540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{196279}}^1$

素因数の和:196301

約数の個数: 72

約数和(自身を含む): 857351040

約数和(自身を除く): 610039500

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, 196279, 392558, 588837, 785116, 981395, 1177674, 1373953, 1766511, 1962790, 2355348, 2747906, 2944185, 3533022, 3925580, 4121859, 5495812, 5888370, 6869765, 7066044, 8243718, 8832555, 11776740, 12365577, 13739530, 16487436, 17665110, 20609295, 24731154, 27479060, 35330220, 41218590, 49462308, 61827885, 82437180, 123655770, 247311540]

約数ペア:

[(1, 247311540), (2, 123655770), (3, 82437180), (4, 61827885), (5, 49462308), (6, 41218590), (7, 35330220), (9, 27479060), (10, 24731154), (12, 20609295), (14, 17665110), (15, 16487436), (18, 13739530), (20, 12365577), (21, 11776740), (28, 8832555), (30, 8243718), (35, 7066044), (36, 6869765), (42, 5888370), (45, 5495812), (60, 4121859), (63, 3925580), (70, 3533022), (84, 2944185), (90, 2747906), (105, 2355348), (126, 1962790), (140, 1766511), (180, 1373953), (210, 1177674), (252, 981395), (315, 785116), (420, 588837), (630, 392558), (1260, 196279)]