205869720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245083}}^1$

素因数の和:245104

約数の個数: 64

約数和(自身を含む): 705841920

約数和(自身を除く): 499972200

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, 245083, 490166, 735249, 980332, 1225415, 1470498, 1715581, 1960664, 2450830, 2940996, 3431162, 3676245, 4901660, 5146743, 5881992, 6862324, 7352490, 8577905, 9803320, 10293486, 13724648, 14704980, 17155810, 20586972, 25733715, 29409960, 34311620, 41173944, 51467430, 68623240, 102934860, 205869720]

約数ペア:

[(1, 205869720), (2, 102934860), (3, 68623240), (4, 51467430), (5, 41173944), (6, 34311620), (7, 29409960), (8, 25733715), (10, 20586972), (12, 17155810), (14, 14704980), (15, 13724648), (20, 10293486), (21, 9803320), (24, 8577905), (28, 7352490), (30, 6862324), (35, 5881992), (40, 5146743), (42, 4901660), (56, 3676245), (60, 3431162), (70, 2940996), (84, 2450830), (105, 1960664), (120, 1715581), (140, 1470498), (168, 1225415), (210, 980332), (280, 735249), (420, 490166), (840, 245083)]