87245480

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{6359}}^1$

素因数の和:6391

約数の個数: 64

約数和(自身を含む): 228960000

約数和(自身を除く): 141714520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6359, 6860, 12718, 13720, 25436, 31795, 44513, 50872, 63590, 89026, 127180, 178052, 222565, 254360, 311591, 356104, 445130, 623182, 890260, 1246364, 1557955, 1780520, 2181137, 2492728, 3115910, 4362274, 6231820, 8724548, 10905685, 12463640, 17449096, 21811370, 43622740, 87245480]

約数ペア:

[(1, 87245480), (2, 43622740), (4, 21811370), (5, 17449096), (7, 12463640), (8, 10905685), (10, 8724548), (14, 6231820), (20, 4362274), (28, 3115910), (35, 2492728), (40, 2181137), (49, 1780520), (56, 1557955), (70, 1246364), (98, 890260), (140, 623182), (196, 445130), (245, 356104), (280, 311591), (343, 254360), (392, 222565), (490, 178052), (686, 127180), (980, 89026), (1372, 63590), (1715, 50872), (1960, 44513), (2744, 31795), (3430, 25436), (6359, 13720), (6860, 12718)]