215958120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257093}}^1$

素因数の和:257114

約数の個数: 64

約数和(自身を含む): 740430720

約数和(自身を除く): 524472600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 257093, 514186, 771279, 1028372, 1285465, 1542558, 1799651, 2056744, 2570930, 3085116, 3599302, 3856395, 5141860, 5398953, 6170232, 7198604, 7712790, 8998255, 10283720, 10797906, 14397208, 15425580, 17996510, 21595812, 26994765, 30851160, 35993020, 43191624, 53989530, 71986040, 107979060, 215958120]

約数ペア:

[(1, 215958120), (2, 107979060), (3, 71986040), (4, 53989530), (5, 43191624), (6, 35993020), (7, 30851160), (8, 26994765), (10, 21595812), (12, 17996510), (14, 15425580), (15, 14397208), (20, 10797906), (21, 10283720), (24, 8998255), (28, 7712790), (30, 7198604), (35, 6170232), (40, 5398953), (42, 5141860), (56, 3856395), (60, 3599302), (70, 3085116), (84, 2570930), (105, 2056744), (120, 1799651), (140, 1542558), (168, 1285465), (210, 1028372), (280, 771279), (420, 514186), (840, 257093)]