156823740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1789}}^1$

素因数の和:2291

約数の個数: 72

約数和(自身を含む): 476941920

約数和(自身を除く): 320118180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 974, 1461, 1789, 1948, 2435, 2922, 3578, 4383, 4870, 5367, 5844, 7156, 7305, 8766, 8945, 9740, 10734, 14610, 16101, 17532, 17890, 21468, 21915, 26835, 29220, 32202, 35780, 43830, 53670, 64404, 80505, 87660, 107340, 161010, 322020, 871243, 1742486, 2613729, 3484972, 4356215, 5227458, 7841187, 8712430, 10454916, 13068645, 15682374, 17424860, 26137290, 31364748, 39205935, 52274580, 78411870, 156823740]

約数ペア:

[(1, 156823740), (2, 78411870), (3, 52274580), (4, 39205935), (5, 31364748), (6, 26137290), (9, 17424860), (10, 15682374), (12, 13068645), (15, 10454916), (18, 8712430), (20, 7841187), (30, 5227458), (36, 4356215), (45, 3484972), (60, 2613729), (90, 1742486), (180, 871243), (487, 322020), (974, 161010), (1461, 107340), (1789, 87660), (1948, 80505), (2435, 64404), (2922, 53670), (3578, 43830), (4383, 35780), (4870, 32202), (5367, 29220), (5844, 26835), (7156, 21915), (7305, 21468), (8766, 17890), (8945, 17532), (9740, 16101), (10734, 14610)]