64921140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12437}}^1$

素因数の和:12481

約数の個数: 72

約数和(自身を含む): 203734440

約数和(自身を除く): 138813300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 12437, 24874, 37311, 49748, 62185, 74622, 111933, 124370, 149244, 186555, 223866, 248740, 360673, 373110, 447732, 559665, 721346, 746220, 1082019, 1119330, 1442692, 1803365, 2164038, 2238660, 3246057, 3606730, 4328076, 5410095, 6492114, 7213460, 10820190, 12984228, 16230285, 21640380, 32460570, 64921140]

約数ペア:

[(1, 64921140), (2, 32460570), (3, 21640380), (4, 16230285), (5, 12984228), (6, 10820190), (9, 7213460), (10, 6492114), (12, 5410095), (15, 4328076), (18, 3606730), (20, 3246057), (29, 2238660), (30, 2164038), (36, 1803365), (45, 1442692), (58, 1119330), (60, 1082019), (87, 746220), (90, 721346), (116, 559665), (145, 447732), (174, 373110), (180, 360673), (261, 248740), (290, 223866), (348, 186555), (435, 149244), (522, 124370), (580, 111933), (870, 74622), (1044, 62185), (1305, 49748), (1740, 37311), (2610, 24874), (5220, 12437)]