208831560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248609}}^1$

素因数の和:248630

約数の個数: 64

約数和(自身を含む): 715996800

約数和(自身を除く): 507165240

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, 248609, 497218, 745827, 994436, 1243045, 1491654, 1740263, 1988872, 2486090, 2983308, 3480526, 3729135, 4972180, 5220789, 5966616, 6961052, 7458270, 8701315, 9944360, 10441578, 13922104, 14916540, 17402630, 20883156, 26103945, 29833080, 34805260, 41766312, 52207890, 69610520, 104415780, 208831560]

約数ペア:

[(1, 208831560), (2, 104415780), (3, 69610520), (4, 52207890), (5, 41766312), (6, 34805260), (7, 29833080), (8, 26103945), (10, 20883156), (12, 17402630), (14, 14916540), (15, 13922104), (20, 10441578), (21, 9944360), (24, 8701315), (28, 7458270), (30, 6961052), (35, 5966616), (40, 5220789), (42, 4972180), (56, 3729135), (60, 3480526), (70, 2983308), (84, 2486090), (105, 1988872), (120, 1740263), (140, 1491654), (168, 1243045), (210, 994436), (280, 745827), (420, 497218), (840, 248609)]