81657330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2083

約数の個数: 64

約数和(自身を含む): 207152640

約数和(自身を除く): 125495310

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 47, 58, 87, 94, 141, 145, 174, 235, 282, 290, 435, 470, 705, 870, 1363, 1410, 1997, 2726, 3994, 4089, 5991, 6815, 8178, 9985, 11982, 13630, 19970, 20445, 29955, 40890, 57913, 59910, 93859, 115826, 173739, 187718, 281577, 289565, 347478, 469295, 563154, 579130, 868695, 938590, 1407885, 1737390, 2721911, 2815770, 5443822, 8165733, 13609555, 16331466, 27219110, 40828665, 81657330]

約数ペア:

[(1, 81657330), (2, 40828665), (3, 27219110), (5, 16331466), (6, 13609555), (10, 8165733), (15, 5443822), (29, 2815770), (30, 2721911), (47, 1737390), (58, 1407885), (87, 938590), (94, 868695), (141, 579130), (145, 563154), (174, 469295), (235, 347478), (282, 289565), (290, 281577), (435, 187718), (470, 173739), (705, 115826), (870, 93859), (1363, 59910), (1410, 57913), (1997, 40890), (2726, 29955), (3994, 20445), (4089, 19970), (5991, 13630), (6815, 11982), (8178, 9985)]