81265380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1069}}^1$

素因数の和:1269

約数の個数: 96

約数和(自身を含む): 261730560

約数和(自身を除く): 180465180

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, 181, 210, 362, 420, 543, 724, 905, 1069, 1086, 1267, 1810, 2138, 2172, 2534, 2715, 3207, 3620, 3801, 4276, 5068, 5345, 5430, 6335, 6414, 7483, 7602, 10690, 10860, 12670, 12828, 14966, 15204, 16035, 19005, 21380, 22449, 25340, 29932, 32070, 37415, 38010, 44898, 64140, 74830, 76020, 89796, 112245, 149660, 193489, 224490, 386978, 448980, 580467, 773956, 967445, 1160934, 1354423, 1934890, 2321868, 2708846, 2902335, 3869780, 4063269, 5417692, 5804670, 6772115, 8126538, 11609340, 13544230, 16253076, 20316345, 27088460, 40632690, 81265380]

約数ペア:

[(1, 81265380), (2, 40632690), (3, 27088460), (4, 20316345), (5, 16253076), (6, 13544230), (7, 11609340), (10, 8126538), (12, 6772115), (14, 5804670), (15, 5417692), (20, 4063269), (21, 3869780), (28, 2902335), (30, 2708846), (35, 2321868), (42, 1934890), (60, 1354423), (70, 1160934), (84, 967445), (105, 773956), (140, 580467), (181, 448980), (210, 386978), (362, 224490), (420, 193489), (543, 149660), (724, 112245), (905, 89796), (1069, 76020), (1086, 74830), (1267, 64140), (1810, 44898), (2138, 38010), (2172, 37415), (2534, 32070), (2715, 29932), (3207, 25340), (3620, 22449), (3801, 21380), (4276, 19005), (5068, 16035), (5345, 15204), (5430, 14966), (6335, 12828), (6414, 12670), (7483, 10860), (7602, 10690)]