80496920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15131}}^1$

素因数の和:15168

約数の個数: 64

約数和(自身を含む): 217900800

約数和(自身を除く): 137403880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 15131, 30262, 60524, 75655, 105917, 121048, 151310, 211834, 287489, 302620, 423668, 529585, 574978, 605240, 847336, 1059170, 1149956, 1437445, 2012423, 2118340, 2299912, 2874890, 4024846, 4236680, 5749780, 8049692, 10062115, 11499560, 16099384, 20124230, 40248460, 80496920]

約数ペア:

[(1, 80496920), (2, 40248460), (4, 20124230), (5, 16099384), (7, 11499560), (8, 10062115), (10, 8049692), (14, 5749780), (19, 4236680), (20, 4024846), (28, 2874890), (35, 2299912), (38, 2118340), (40, 2012423), (56, 1437445), (70, 1149956), (76, 1059170), (95, 847336), (133, 605240), (140, 574978), (152, 529585), (190, 423668), (266, 302620), (280, 287489), (380, 211834), (532, 151310), (665, 121048), (760, 105917), (1064, 75655), (1330, 60524), (2660, 30262), (5320, 15131)]