81421350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{6871}}^1$

素因数の和:6965

約数の個数: 48

約数和(自身を含む): 204510720

約数和(自身を除く): 123089370

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 237, 395, 474, 790, 1185, 1975, 2370, 3950, 5925, 6871, 11850, 13742, 20613, 34355, 41226, 68710, 103065, 171775, 206130, 343550, 515325, 542809, 1030650, 1085618, 1628427, 2714045, 3256854, 5428090, 8142135, 13570225, 16284270, 27140450, 40710675, 81421350]

約数ペア:

[(1, 81421350), (2, 40710675), (3, 27140450), (5, 16284270), (6, 13570225), (10, 8142135), (15, 5428090), (25, 3256854), (30, 2714045), (50, 1628427), (75, 1085618), (79, 1030650), (150, 542809), (158, 515325), (237, 343550), (395, 206130), (474, 171775), (790, 103065), (1185, 68710), (1975, 41226), (2370, 34355), (3950, 20613), (5925, 13742), (6871, 11850)]