78642690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2267

約数の個数: 64

約数和(自身を含む): 217002240

約数和(自身を除く): 138359550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 210, 362, 543, 905, 1086, 1267, 1810, 2069, 2534, 2715, 3801, 4138, 5430, 6207, 6335, 7602, 10345, 12414, 12670, 14483, 19005, 20690, 28966, 31035, 38010, 43449, 62070, 72415, 86898, 144830, 217245, 374489, 434490, 748978, 1123467, 1872445, 2246934, 2621423, 3744890, 5242846, 5617335, 7864269, 11234670, 13107115, 15728538, 26214230, 39321345, 78642690]

約数ペア:

[(1, 78642690), (2, 39321345), (3, 26214230), (5, 15728538), (6, 13107115), (7, 11234670), (10, 7864269), (14, 5617335), (15, 5242846), (21, 3744890), (30, 2621423), (35, 2246934), (42, 1872445), (70, 1123467), (105, 748978), (181, 434490), (210, 374489), (362, 217245), (543, 144830), (905, 86898), (1086, 72415), (1267, 62070), (1810, 43449), (2069, 38010), (2534, 31035), (2715, 28966), (3801, 20690), (4138, 19005), (5430, 14483), (6207, 12670), (6335, 12414), (7602, 10345)]