81262860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1013}}^1$

素因数の和:1223

約数の個数: 96

約数和(自身を含む): 261660672

約数和(自身を除く): 180397812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1013, 1146, 1337, 1910, 2026, 2292, 2674, 2865, 3039, 3820, 4011, 4052, 5065, 5348, 5730, 6078, 6685, 7091, 8022, 10130, 11460, 12156, 13370, 14182, 15195, 16044, 20055, 20260, 21273, 26740, 28364, 30390, 35455, 40110, 42546, 60780, 70910, 80220, 85092, 106365, 141820, 193483, 212730, 386966, 425460, 580449, 773932, 967415, 1160898, 1354381, 1934830, 2321796, 2708762, 2902245, 3869660, 4063143, 5417524, 5804490, 6771905, 8126286, 11608980, 13543810, 16252572, 20315715, 27087620, 40631430, 81262860]

約数ペア:

[(1, 81262860), (2, 40631430), (3, 27087620), (4, 20315715), (5, 16252572), (6, 13543810), (7, 11608980), (10, 8126286), (12, 6771905), (14, 5804490), (15, 5417524), (20, 4063143), (21, 3869660), (28, 2902245), (30, 2708762), (35, 2321796), (42, 1934830), (60, 1354381), (70, 1160898), (84, 967415), (105, 773932), (140, 580449), (191, 425460), (210, 386966), (382, 212730), (420, 193483), (573, 141820), (764, 106365), (955, 85092), (1013, 80220), (1146, 70910), (1337, 60780), (1910, 42546), (2026, 40110), (2292, 35455), (2674, 30390), (2865, 28364), (3039, 26740), (3820, 21273), (4011, 20260), (4052, 20055), (5065, 16044), (5348, 15195), (5730, 14182), (6078, 13370), (6685, 12156), (7091, 11460), (8022, 10130)]