15238520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 22863880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 587, 590, 649, 1174, 1180, 1298, 2348, 2360, 2596, 2935, 3245, 4696, 5192, 5870, 6457, 6490, 11740, 12914, 12980, 23480, 25828, 25960, 32285, 34633, 51656, 64570, 69266, 129140, 138532, 173165, 258280, 277064, 346330, 380963, 692660, 761926, 1385320, 1523852, 1904815, 3047704, 3809630, 7619260, 15238520]

約数ペア:

[(1, 15238520), (2, 7619260), (4, 3809630), (5, 3047704), (8, 1904815), (10, 1523852), (11, 1385320), (20, 761926), (22, 692660), (40, 380963), (44, 346330), (55, 277064), (59, 258280), (88, 173165), (110, 138532), (118, 129140), (220, 69266), (236, 64570), (295, 51656), (440, 34633), (472, 32285), (587, 25960), (590, 25828), (649, 23480), (1174, 12980), (1180, 12914), (1298, 11740), (2348, 6490), (2360, 6457), (2596, 5870), (2935, 5192), (3245, 4696)]