206348520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245653}}^1$

素因数の和:245674

約数の個数: 64

約数和(自身を含む): 707483520

約数和(自身を除く): 501135000

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, 245653, 491306, 736959, 982612, 1228265, 1473918, 1719571, 1965224, 2456530, 2947836, 3439142, 3684795, 4913060, 5158713, 5895672, 6878284, 7369590, 8597855, 9826120, 10317426, 13756568, 14739180, 17195710, 20634852, 25793565, 29478360, 34391420, 41269704, 51587130, 68782840, 103174260, 206348520]

約数ペア:

[(1, 206348520), (2, 103174260), (3, 68782840), (4, 51587130), (5, 41269704), (6, 34391420), (7, 29478360), (8, 25793565), (10, 20634852), (12, 17195710), (14, 14739180), (15, 13756568), (20, 10317426), (21, 9826120), (24, 8597855), (28, 7369590), (30, 6878284), (35, 5895672), (40, 5158713), (42, 4913060), (56, 3684795), (60, 3439142), (70, 2947836), (84, 2456530), (105, 1965224), (120, 1719571), (140, 1473918), (168, 1228265), (210, 982612), (280, 736959), (420, 491306), (840, 245653)]