155514420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2221}}^1$

素因数の和:2625

約数の個数: 72

約数和(自身を含む): 473152680

約数和(自身を除く): 317638260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1167, 1556, 1945, 2221, 2334, 3501, 3890, 4442, 4668, 5835, 6663, 7002, 7780, 8884, 11105, 11670, 13326, 14004, 17505, 19989, 22210, 23340, 26652, 33315, 35010, 39978, 44420, 66630, 70020, 79956, 99945, 133260, 199890, 399780, 863969, 1727938, 2591907, 3455876, 4319845, 5183814, 7775721, 8639690, 10367628, 12959535, 15551442, 17279380, 25919070, 31102884, 38878605, 51838140, 77757210, 155514420]

約数ペア:

[(1, 155514420), (2, 77757210), (3, 51838140), (4, 38878605), (5, 31102884), (6, 25919070), (9, 17279380), (10, 15551442), (12, 12959535), (15, 10367628), (18, 8639690), (20, 7775721), (30, 5183814), (36, 4319845), (45, 3455876), (60, 2591907), (90, 1727938), (180, 863969), (389, 399780), (778, 199890), (1167, 133260), (1556, 99945), (1945, 79956), (2221, 70020), (2334, 66630), (3501, 44420), (3890, 39978), (4442, 35010), (4668, 33315), (5835, 26652), (6663, 23340), (7002, 22210), (7780, 19989), (8884, 17505), (11105, 14004), (11670, 13326)]