158111820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1789}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 480851280

約数和(自身を除く): 322739460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1473, 1789, 1964, 2455, 2946, 3578, 4419, 4910, 5367, 5892, 7156, 7365, 8838, 8945, 9820, 10734, 14730, 16101, 17676, 17890, 21468, 22095, 26835, 29460, 32202, 35780, 44190, 53670, 64404, 80505, 88380, 107340, 161010, 322020, 878399, 1756798, 2635197, 3513596, 4391995, 5270394, 7905591, 8783990, 10540788, 13175985, 15811182, 17567980, 26351970, 31622364, 39527955, 52703940, 79055910, 158111820]

約数ペア:

[(1, 158111820), (2, 79055910), (3, 52703940), (4, 39527955), (5, 31622364), (6, 26351970), (9, 17567980), (10, 15811182), (12, 13175985), (15, 10540788), (18, 8783990), (20, 7905591), (30, 5270394), (36, 4391995), (45, 3513596), (60, 2635197), (90, 1756798), (180, 878399), (491, 322020), (982, 161010), (1473, 107340), (1789, 88380), (1964, 80505), (2455, 64404), (2946, 53670), (3578, 44190), (4419, 35780), (4910, 32202), (5367, 29460), (5892, 26835), (7156, 22095), (7365, 21468), (8838, 17890), (8945, 17676), (9820, 16101), (10734, 14730)]