81373140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4910

約数の個数: 96

約数和(自身を含む): 261381120

約数和(自身を除く): 180007980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 4861, 5580, 8370, 9722, 14583, 16740, 19444, 24305, 29166, 43749, 48610, 58332, 72915, 87498, 97220, 131247, 145830, 150691, 174996, 218745, 262494, 291660, 301382, 437490, 452073, 524988, 602764, 656235, 753455, 874980, 904146, 1312470, 1356219, 1506910, 1808292, 2260365, 2624940, 2712438, 3013820, 4068657, 4520730, 5424876, 6781095, 8137314, 9041460, 13562190, 16274628, 20343285, 27124380, 40686570, 81373140]

約数ペア:

[(1, 81373140), (2, 40686570), (3, 27124380), (4, 20343285), (5, 16274628), (6, 13562190), (9, 9041460), (10, 8137314), (12, 6781095), (15, 5424876), (18, 4520730), (20, 4068657), (27, 3013820), (30, 2712438), (31, 2624940), (36, 2260365), (45, 1808292), (54, 1506910), (60, 1356219), (62, 1312470), (90, 904146), (93, 874980), (108, 753455), (124, 656235), (135, 602764), (155, 524988), (180, 452073), (186, 437490), (270, 301382), (279, 291660), (310, 262494), (372, 218745), (465, 174996), (540, 150691), (558, 145830), (620, 131247), (837, 97220), (930, 87498), (1116, 72915), (1395, 58332), (1674, 48610), (1860, 43749), (2790, 29166), (3348, 24305), (4185, 19444), (4861, 16740), (5580, 14583), (8370, 9722)]