256549080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73721}}^1$

素因数の和:73764

約数の個数: 64

約数和(自身を含む): 796197600

約数和(自身を除く): 539648520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 73721, 147442, 221163, 294884, 368605, 442326, 589768, 737210, 884652, 1105815, 1474420, 1769304, 2137909, 2211630, 2948840, 4275818, 4423260, 6413727, 8551636, 8846520, 10689545, 12827454, 17103272, 21379090, 25654908, 32068635, 42758180, 51309816, 64137270, 85516360, 128274540, 256549080]

約数ペア:

[(1, 256549080), (2, 128274540), (3, 85516360), (4, 64137270), (5, 51309816), (6, 42758180), (8, 32068635), (10, 25654908), (12, 21379090), (15, 17103272), (20, 12827454), (24, 10689545), (29, 8846520), (30, 8551636), (40, 6413727), (58, 4423260), (60, 4275818), (87, 2948840), (116, 2211630), (120, 2137909), (145, 1769304), (174, 1474420), (232, 1105815), (290, 884652), (348, 737210), (435, 589768), (580, 442326), (696, 368605), (870, 294884), (1160, 221163), (1740, 147442), (3480, 73721)]