17780360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 26732920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1103, 1240, 1612, 2015, 2206, 3224, 4030, 4412, 5515, 8060, 8824, 11030, 14339, 16120, 22060, 28678, 34193, 44120, 57356, 68386, 71695, 114712, 136772, 143390, 170965, 273544, 286780, 341930, 444509, 573560, 683860, 889018, 1367720, 1778036, 2222545, 3556072, 4445090, 8890180, 17780360]

約数ペア:

[(1, 17780360), (2, 8890180), (4, 4445090), (5, 3556072), (8, 2222545), (10, 1778036), (13, 1367720), (20, 889018), (26, 683860), (31, 573560), (40, 444509), (52, 341930), (62, 286780), (65, 273544), (104, 170965), (124, 143390), (130, 136772), (155, 114712), (248, 71695), (260, 68386), (310, 57356), (403, 44120), (520, 34193), (620, 28678), (806, 22060), (1103, 16120), (1240, 14339), (1612, 11030), (2015, 8824), (2206, 8060), (3224, 5515), (4030, 4412)]