65396940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{155707}}^1$

素因数の和:155726

約数の個数: 48

約数和(自身を含む): 209271552

約数和(自身を除く): 143874612

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, 210, 420, 155707, 311414, 467121, 622828, 778535, 934242, 1089949, 1557070, 1868484, 2179898, 2335605, 3114140, 3269847, 4359796, 4671210, 5449745, 6539694, 9342420, 10899490, 13079388, 16349235, 21798980, 32698470, 65396940]

約数ペア:

[(1, 65396940), (2, 32698470), (3, 21798980), (4, 16349235), (5, 13079388), (6, 10899490), (7, 9342420), (10, 6539694), (12, 5449745), (14, 4671210), (15, 4359796), (20, 3269847), (21, 3114140), (28, 2335605), (30, 2179898), (35, 1868484), (42, 1557070), (60, 1089949), (70, 934242), (84, 778535), (105, 622828), (140, 467121), (210, 311414), (420, 155707)]