204340920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{243263}}^1$

素因数の和:243284

約数の個数: 64

約数和(自身を含む): 700600320

約数和(自身を除く): 496259400

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, 243263, 486526, 729789, 973052, 1216315, 1459578, 1702841, 1946104, 2432630, 2919156, 3405682, 3648945, 4865260, 5108523, 5838312, 6811364, 7297890, 8514205, 9730520, 10217046, 13622728, 14595780, 17028410, 20434092, 25542615, 29191560, 34056820, 40868184, 51085230, 68113640, 102170460, 204340920]

約数ペア:

[(1, 204340920), (2, 102170460), (3, 68113640), (4, 51085230), (5, 40868184), (6, 34056820), (7, 29191560), (8, 25542615), (10, 20434092), (12, 17028410), (14, 14595780), (15, 13622728), (20, 10217046), (21, 9730520), (24, 8514205), (28, 7297890), (30, 6811364), (35, 5838312), (40, 5108523), (42, 4865260), (56, 3648945), (60, 3405682), (70, 2919156), (84, 2432630), (105, 1946104), (120, 1702841), (140, 1459578), (168, 1216315), (210, 973052), (280, 729789), (420, 486526), (840, 243263)]