81166680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1094

約数の個数: 192

約数和(自身を含む): 311500800

約数和(自身を除く): 230334120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1039, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2078, 2170, 2232, 2520, 2604, 2790, 3117, 3255, 3720, 3906, 4156, 4340, 5195, 5208, 5580, 6234, 6510, 7273, 7812, 8312, 8680, 9351, 9765, 10390, 11160, 12468, 13020, 14546, 15585, 15624, 18702, 19530, 20780, 21819, 24936, 26040, 29092, 31170, 32209, 36365, 37404, 39060, 41560, 43638, 46755, 58184, 62340, 64418, 65457, 72730, 74808, 78120, 87276, 93510, 96627, 109095, 124680, 128836, 130914, 145460, 161045, 174552, 187020, 193254, 218190, 225463, 257672, 261828, 289881, 290920, 322090, 327285, 374040, 386508, 436380, 450926, 483135, 523656, 579762, 644180, 654570, 676389, 773016, 872760, 901852, 966270, 1127315, 1159524, 1288360, 1309140, 1352778, 1449405, 1803704, 1932540, 2029167, 2254630, 2319048, 2618280, 2705556, 2898810, 3381945, 3865080, 4058334, 4509260, 5411112, 5797620, 6763890, 8116668, 9018520, 10145835, 11595240, 13527780, 16233336, 20291670, 27055560, 40583340, 81166680]

約数ペア:

[(1, 81166680), (2, 40583340), (3, 27055560), (4, 20291670), (5, 16233336), (6, 13527780), (7, 11595240), (8, 10145835), (9, 9018520), (10, 8116668), (12, 6763890), (14, 5797620), (15, 5411112), (18, 4509260), (20, 4058334), (21, 3865080), (24, 3381945), (28, 2898810), (30, 2705556), (31, 2618280), (35, 2319048), (36, 2254630), (40, 2029167), (42, 1932540), (45, 1803704), (56, 1449405), (60, 1352778), (62, 1309140), (63, 1288360), (70, 1159524), (72, 1127315), (84, 966270), (90, 901852), (93, 872760), (105, 773016), (120, 676389), (124, 654570), (126, 644180), (140, 579762), (155, 523656), (168, 483135), (180, 450926), (186, 436380), (210, 386508), (217, 374040), (248, 327285), (252, 322090), (279, 290920), (280, 289881), (310, 261828), (315, 257672), (360, 225463), (372, 218190), (420, 193254), (434, 187020), (465, 174552), (504, 161045), (558, 145460), (620, 130914), (630, 128836), (651, 124680), (744, 109095), (840, 96627), (868, 93510), (930, 87276), (1039, 78120), (1085, 74808), (1116, 72730), (1240, 65457), (1260, 64418), (1302, 62340), (1395, 58184), (1736, 46755), (1860, 43638), (1953, 41560), (2078, 39060), (2170, 37404), (2232, 36365), (2520, 32209), (2604, 31170), (2790, 29092), (3117, 26040), (3255, 24936), (3720, 21819), (3906, 20780), (4156, 19530), (4340, 18702), (5195, 15624), (5208, 15585), (5580, 14546), (6234, 13020), (6510, 12468), (7273, 11160), (7812, 10390), (8312, 9765), (8680, 9351)]