15691418920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{20639}}^1$

素因数の和:20962

約数の個数: 64

約数和(自身を含む): 35888832000

約数和(自身を除く): 20197413080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 229, 332, 415, 458, 664, 830, 916, 1145, 1660, 1832, 2290, 3320, 4580, 9160, 19007, 20639, 38014, 41278, 76028, 82556, 95035, 103195, 152056, 165112, 190070, 206390, 380140, 412780, 760280, 825560, 1713037, 3426074, 4726331, 6852148, 8565185, 9452662, 13704296, 17130370, 18905324, 23631655, 34260740, 37810648, 47263310, 68521480, 94526620, 189053240, 392285473, 784570946, 1569141892, 1961427365, 3138283784, 3922854730, 7845709460, 15691418920]

約数ペア:

[(1, 15691418920), (2, 7845709460), (4, 3922854730), (5, 3138283784), (8, 1961427365), (10, 1569141892), (20, 784570946), (40, 392285473), (83, 189053240), (166, 94526620), (229, 68521480), (332, 47263310), (415, 37810648), (458, 34260740), (664, 23631655), (830, 18905324), (916, 17130370), (1145, 13704296), (1660, 9452662), (1832, 8565185), (2290, 6852148), (3320, 4726331), (4580, 3426074), (9160, 1713037), (19007, 825560), (20639, 760280), (38014, 412780), (41278, 380140), (76028, 206390), (82556, 190070), (95035, 165112), (103195, 152056)]