128274540

素因数分解:

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

素因数の和:73762

約数の個数: 48

約数和(自身を含む): 371558880

約数和(自身を除く): 243284340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 73721, 147442, 221163, 294884, 368605, 442326, 737210, 884652, 1105815, 1474420, 2137909, 2211630, 4275818, 4423260, 6413727, 8551636, 10689545, 12827454, 21379090, 25654908, 32068635, 42758180, 64137270, 128274540]

約数ペア:

[(1, 128274540), (2, 64137270), (3, 42758180), (4, 32068635), (5, 25654908), (6, 21379090), (10, 12827454), (12, 10689545), (15, 8551636), (20, 6413727), (29, 4423260), (30, 4275818), (58, 2211630), (60, 2137909), (87, 1474420), (116, 1105815), (145, 884652), (174, 737210), (290, 442326), (348, 368605), (435, 294884), (580, 221163), (870, 147442), (1740, 73721)]