122783940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1367}}^1$

素因数の和:1881

約数の個数: 72

約数和(自身を含む): 373464000

約数和(自身を除く): 250680060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1367, 1497, 1996, 2495, 2734, 2994, 4101, 4491, 4990, 5468, 5988, 6835, 7485, 8202, 8982, 9980, 12303, 13670, 14970, 16404, 17964, 20505, 22455, 24606, 27340, 29940, 41010, 44910, 49212, 61515, 82020, 89820, 123030, 246060, 682133, 1364266, 2046399, 2728532, 3410665, 4092798, 6139197, 6821330, 8185596, 10231995, 12278394, 13642660, 20463990, 24556788, 30695985, 40927980, 61391970, 122783940]

約数ペア:

[(1, 122783940), (2, 61391970), (3, 40927980), (4, 30695985), (5, 24556788), (6, 20463990), (9, 13642660), (10, 12278394), (12, 10231995), (15, 8185596), (18, 6821330), (20, 6139197), (30, 4092798), (36, 3410665), (45, 2728532), (60, 2046399), (90, 1364266), (180, 682133), (499, 246060), (998, 123030), (1367, 89820), (1497, 82020), (1996, 61515), (2495, 49212), (2734, 44910), (2994, 41010), (4101, 29940), (4491, 27340), (4990, 24606), (5468, 22455), (5988, 20505), (6835, 17964), (7485, 16404), (8202, 14970), (8982, 13670), (9980, 12303)]