64866620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 173577600

約数和(自身を除く): 108710980

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 364, 377, 406, 455, 580, 754, 812, 910, 1015, 1229, 1508, 1820, 1885, 2030, 2458, 2639, 3770, 4060, 4916, 5278, 6145, 7540, 8603, 10556, 12290, 13195, 15977, 17206, 24580, 26390, 31954, 34412, 35641, 43015, 52780, 63908, 71282, 79885, 86030, 111839, 142564, 159770, 172060, 178205, 223678, 249487, 319540, 356410, 447356, 463333, 498974, 559195, 712820, 926666, 997948, 1118390, 1247435, 1853332, 2236780, 2316665, 2494870, 3243331, 4633330, 4989740, 6486662, 9266660, 12973324, 16216655, 32433310, 64866620]

約数ペア:

[(1, 64866620), (2, 32433310), (4, 16216655), (5, 12973324), (7, 9266660), (10, 6486662), (13, 4989740), (14, 4633330), (20, 3243331), (26, 2494870), (28, 2316665), (29, 2236780), (35, 1853332), (52, 1247435), (58, 1118390), (65, 997948), (70, 926666), (91, 712820), (116, 559195), (130, 498974), (140, 463333), (145, 447356), (182, 356410), (203, 319540), (260, 249487), (290, 223678), (364, 178205), (377, 172060), (406, 159770), (455, 142564), (580, 111839), (754, 86030), (812, 79885), (910, 71282), (1015, 63908), (1229, 52780), (1508, 43015), (1820, 35641), (1885, 34412), (2030, 31954), (2458, 26390), (2639, 24580), (3770, 17206), (4060, 15977), (4916, 13195), (5278, 12290), (6145, 10556), (7540, 8603)]