157858320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{657743}}^1$

素因数の和:657759

約数の個数: 40

約数和(自身を含む): 489361536

約数和(自身を除く): 331503216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 657743, 1315486, 1973229, 2630972, 3288715, 3946458, 5261944, 6577430, 7892916, 9866145, 10523888, 13154860, 15785832, 19732290, 26309720, 31571664, 39464580, 52619440, 78929160, 157858320]

約数ペア:

[(1, 157858320), (2, 78929160), (3, 52619440), (4, 39464580), (5, 31571664), (6, 26309720), (8, 19732290), (10, 15785832), (12, 13154860), (15, 10523888), (16, 9866145), (20, 7892916), (24, 6577430), (30, 5261944), (40, 3946458), (48, 3288715), (60, 2630972), (80, 1973229), (120, 1315486), (240, 657743)]