155542660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 424312560

約数和(自身を除く): 268769900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 182, 196, 203, 245, 260, 290, 364, 377, 406, 421, 455, 490, 580, 637, 754, 812, 842, 910, 980, 1015, 1274, 1421, 1508, 1684, 1820, 1885, 2030, 2105, 2548, 2639, 2842, 2947, 3185, 3770, 4060, 4210, 5278, 5473, 5684, 5894, 6370, 7105, 7540, 8420, 10556, 10946, 11788, 12209, 12740, 13195, 14210, 14735, 18473, 20629, 21892, 24418, 26390, 27365, 28420, 29470, 36946, 38311, 41258, 48836, 52780, 54730, 58940, 61045, 73892, 76622, 82516, 85463, 92365, 103145, 109460, 122090, 153244, 158717, 170926, 184730, 191555, 206290, 244180, 268177, 317434, 341852, 369460, 383110, 412580, 427315, 536354, 598241, 634868, 766220, 793585, 854630, 1072708, 1111019, 1196482, 1340885, 1587170, 1709260, 2222038, 2392964, 2681770, 2991205, 3174340, 4444076, 5363540, 5555095, 5982410, 7777133, 11110190, 11964820, 15554266, 22220380, 31108532, 38885665, 77771330, 155542660]

約数ペア:

[(1, 155542660), (2, 77771330), (4, 38885665), (5, 31108532), (7, 22220380), (10, 15554266), (13, 11964820), (14, 11110190), (20, 7777133), (26, 5982410), (28, 5555095), (29, 5363540), (35, 4444076), (49, 3174340), (52, 2991205), (58, 2681770), (65, 2392964), (70, 2222038), (91, 1709260), (98, 1587170), (116, 1340885), (130, 1196482), (140, 1111019), (145, 1072708), (182, 854630), (196, 793585), (203, 766220), (245, 634868), (260, 598241), (290, 536354), (364, 427315), (377, 412580), (406, 383110), (421, 369460), (455, 341852), (490, 317434), (580, 268177), (637, 244180), (754, 206290), (812, 191555), (842, 184730), (910, 170926), (980, 158717), (1015, 153244), (1274, 122090), (1421, 109460), (1508, 103145), (1684, 92365), (1820, 85463), (1885, 82516), (2030, 76622), (2105, 73892), (2548, 61045), (2639, 58940), (2842, 54730), (2947, 52780), (3185, 48836), (3770, 41258), (4060, 38311), (4210, 36946), (5278, 29470), (5473, 28420), (5684, 27365), (5894, 26390), (6370, 24418), (7105, 21892), (7540, 20629), (8420, 18473), (10556, 14735), (10946, 14210), (11788, 13195), (12209, 12740)]