61378320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255743}}^1$

素因数の和:255759

約数の個数: 40

約数和(自身を含む): 190273536

約数和(自身を除く): 128895216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255743, 511486, 767229, 1022972, 1278715, 1534458, 2045944, 2557430, 3068916, 3836145, 4091888, 5114860, 6137832, 7672290, 10229720, 12275664, 15344580, 20459440, 30689160, 61378320]

約数ペア:

[(1, 61378320), (2, 30689160), (3, 20459440), (4, 15344580), (5, 12275664), (6, 10229720), (8, 7672290), (10, 6137832), (12, 5114860), (15, 4091888), (16, 3836145), (20, 3068916), (24, 2557430), (30, 2045944), (40, 1534458), (48, 1278715), (60, 1022972), (80, 767229), (120, 511486), (240, 255743)]