18211670120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3881}}^1\times {\mathrm{16759}}^1$

素因数の和:20658

約数の個数: 64

約数和(自身を含む): 46844870400

約数和(自身を除く): 28633200280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3881, 7762, 15524, 16759, 19405, 27167, 31048, 33518, 38810, 54334, 67036, 77620, 83795, 108668, 117313, 134072, 135835, 155240, 167590, 217336, 234626, 271670, 335180, 469252, 543340, 586565, 670360, 938504, 1086680, 1173130, 2346260, 4692520, 65041679, 130083358, 260166716, 325208395, 455291753, 520333432, 650416790, 910583506, 1300833580, 1821167012, 2276458765, 2601667160, 3642334024, 4552917530, 9105835060, 18211670120]

約数ペア:

[(1, 18211670120), (2, 9105835060), (4, 4552917530), (5, 3642334024), (7, 2601667160), (8, 2276458765), (10, 1821167012), (14, 1300833580), (20, 910583506), (28, 650416790), (35, 520333432), (40, 455291753), (56, 325208395), (70, 260166716), (140, 130083358), (280, 65041679), (3881, 4692520), (7762, 2346260), (15524, 1173130), (16759, 1086680), (19405, 938504), (27167, 670360), (31048, 586565), (33518, 543340), (38810, 469252), (54334, 335180), (67036, 271670), (77620, 234626), (83795, 217336), (108668, 167590), (117313, 155240), (134072, 135835)]