208579560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248309}}^1$

素因数の和:248330

約数の個数: 64

約数和(自身を含む): 715132800

約数和(自身を除く): 506553240

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, 248309, 496618, 744927, 993236, 1241545, 1489854, 1738163, 1986472, 2483090, 2979708, 3476326, 3724635, 4966180, 5214489, 5959416, 6952652, 7449270, 8690815, 9932360, 10428978, 13905304, 14898540, 17381630, 20857956, 26072445, 29797080, 34763260, 41715912, 52144890, 69526520, 104289780, 208579560]

約数ペア:

[(1, 208579560), (2, 104289780), (3, 69526520), (4, 52144890), (5, 41715912), (6, 34763260), (7, 29797080), (8, 26072445), (10, 20857956), (12, 17381630), (14, 14898540), (15, 13905304), (20, 10428978), (21, 9932360), (24, 8690815), (28, 7449270), (30, 6952652), (35, 5959416), (40, 5214489), (42, 4966180), (56, 3724635), (60, 3476326), (70, 2979708), (84, 2483090), (105, 1986472), (120, 1738163), (140, 1489854), (168, 1241545), (210, 993236), (280, 744927), (420, 496618), (840, 248309)]