209715720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16333}}^1$

素因数の和:16454

約数の個数: 64

約数和(自身を含む): 635065920

約数和(自身を除く): 425350200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 16333, 32666, 48999, 65332, 81665, 97998, 130664, 163330, 195996, 244995, 326660, 391992, 489990, 653320, 979980, 1747631, 1959960, 3495262, 5242893, 6990524, 8738155, 10485786, 13981048, 17476310, 20971572, 26214465, 34952620, 41943144, 52428930, 69905240, 104857860, 209715720]

約数ペア:

[(1, 209715720), (2, 104857860), (3, 69905240), (4, 52428930), (5, 41943144), (6, 34952620), (8, 26214465), (10, 20971572), (12, 17476310), (15, 13981048), (20, 10485786), (24, 8738155), (30, 6990524), (40, 5242893), (60, 3495262), (107, 1959960), (120, 1747631), (214, 979980), (321, 653320), (428, 489990), (535, 391992), (642, 326660), (856, 244995), (1070, 195996), (1284, 163330), (1605, 130664), (2140, 97998), (2568, 81665), (3210, 65332), (4280, 48999), (6420, 32666), (12840, 16333)]