156728720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 387891840

約数和(自身を除く): 231163120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1063, 1520, 1552, 1843, 1940, 2126, 3686, 3880, 4252, 5315, 7372, 7760, 8504, 9215, 10630, 14744, 17008, 18430, 20197, 21260, 29488, 36860, 40394, 42520, 73720, 80788, 85040, 100985, 103111, 147440, 161576, 201970, 206222, 323152, 403940, 412444, 515555, 807880, 824888, 1031110, 1615760, 1649776, 1959109, 2062220, 3918218, 4124440, 7836436, 8248880, 9795545, 15672872, 19591090, 31345744, 39182180, 78364360, 156728720]

約数ペア:

[(1, 156728720), (2, 78364360), (4, 39182180), (5, 31345744), (8, 19591090), (10, 15672872), (16, 9795545), (19, 8248880), (20, 7836436), (38, 4124440), (40, 3918218), (76, 2062220), (80, 1959109), (95, 1649776), (97, 1615760), (152, 1031110), (190, 824888), (194, 807880), (304, 515555), (380, 412444), (388, 403940), (485, 323152), (760, 206222), (776, 201970), (970, 161576), (1063, 147440), (1520, 103111), (1552, 100985), (1843, 85040), (1940, 80788), (2126, 73720), (3686, 42520), (3880, 40394), (4252, 36860), (5315, 29488), (7372, 21260), (7760, 20197), (8504, 18430), (9215, 17008), (10630, 14744)]