81856740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6287}}^1$

素因数の和:6337

約数の個数: 96

約数和(自身を含む): 270434304

約数和(自身を除く): 188577564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6287, 6510, 12574, 13020, 18861, 25148, 31435, 37722, 44009, 62870, 75444, 88018, 94305, 125740, 132027, 176036, 188610, 194897, 220045, 264054, 377220, 389794, 440090, 528108, 584691, 660135, 779588, 880180, 974485, 1169382, 1320270, 1364279, 1948970, 2338764, 2640540, 2728558, 2923455, 3897940, 4092837, 5457116, 5846910, 6821395, 8185674, 11693820, 13642790, 16371348, 20464185, 27285580, 40928370, 81856740]

約数ペア:

[(1, 81856740), (2, 40928370), (3, 27285580), (4, 20464185), (5, 16371348), (6, 13642790), (7, 11693820), (10, 8185674), (12, 6821395), (14, 5846910), (15, 5457116), (20, 4092837), (21, 3897940), (28, 2923455), (30, 2728558), (31, 2640540), (35, 2338764), (42, 1948970), (60, 1364279), (62, 1320270), (70, 1169382), (84, 974485), (93, 880180), (105, 779588), (124, 660135), (140, 584691), (155, 528108), (186, 440090), (210, 389794), (217, 377220), (310, 264054), (372, 220045), (420, 194897), (434, 188610), (465, 176036), (620, 132027), (651, 125740), (868, 94305), (930, 88018), (1085, 75444), (1302, 62870), (1860, 44009), (2170, 37722), (2604, 31435), (3255, 25148), (4340, 18861), (6287, 13020), (6510, 12574)]