720286812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{2003}}^1$

素因数の和:3447

約数の個数: 72

約数和(自身を含む): 2083326336

約数和(自身を除く): 1363039524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1427, 2003, 2854, 4006, 4281, 5708, 6009, 8012, 8562, 9989, 12018, 12843, 14021, 17124, 18027, 19978, 24036, 25686, 28042, 29967, 36054, 39956, 42063, 51372, 56084, 59934, 72108, 84126, 89901, 119868, 126189, 168252, 179802, 252378, 359604, 504756, 2858281, 5716562, 8574843, 11433124, 17149686, 20007967, 25724529, 34299372, 40015934, 51449058, 60023901, 80031868, 102898116, 120047802, 180071703, 240095604, 360143406, 720286812]

約数ペア:

[(1, 720286812), (2, 360143406), (3, 240095604), (4, 180071703), (6, 120047802), (7, 102898116), (9, 80031868), (12, 60023901), (14, 51449058), (18, 40015934), (21, 34299372), (28, 25724529), (36, 20007967), (42, 17149686), (63, 11433124), (84, 8574843), (126, 5716562), (252, 2858281), (1427, 504756), (2003, 359604), (2854, 252378), (4006, 179802), (4281, 168252), (5708, 126189), (6009, 119868), (8012, 89901), (8562, 84126), (9989, 72108), (12018, 59934), (12843, 56084), (14021, 51372), (17124, 42063), (18027, 39956), (19978, 36054), (24036, 29967), (25686, 28042)]