239642760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{285289}}^1$

素因数の和:285310

約数の個数: 64

約数和(自身を含む): 821635200

約数和(自身を除く): 581992440

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, 285289, 570578, 855867, 1141156, 1426445, 1711734, 1997023, 2282312, 2852890, 3423468, 3994046, 4279335, 5705780, 5991069, 6846936, 7988092, 8558670, 9985115, 11411560, 11982138, 15976184, 17117340, 19970230, 23964276, 29955345, 34234680, 39940460, 47928552, 59910690, 79880920, 119821380, 239642760]

約数ペア:

[(1, 239642760), (2, 119821380), (3, 79880920), (4, 59910690), (5, 47928552), (6, 39940460), (7, 34234680), (8, 29955345), (10, 23964276), (12, 19970230), (14, 17117340), (15, 15976184), (20, 11982138), (21, 11411560), (24, 9985115), (28, 8558670), (30, 7988092), (35, 6846936), (40, 5991069), (42, 5705780), (56, 4279335), (60, 3994046), (70, 3423468), (84, 2852890), (105, 2282312), (120, 1997023), (140, 1711734), (168, 1426445), (210, 1141156), (280, 855867), (420, 570578), (840, 285289)]