15938120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 40937400

約数和(自身を除く): 24999280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 89, 110, 121, 148, 178, 185, 220, 242, 296, 356, 370, 407, 440, 445, 484, 605, 712, 740, 814, 890, 968, 979, 1210, 1480, 1628, 1780, 1958, 2035, 2420, 3256, 3293, 3560, 3916, 4070, 4477, 4840, 4895, 6586, 7832, 8140, 8954, 9790, 10769, 13172, 16280, 16465, 17908, 19580, 21538, 22385, 26344, 32930, 35816, 36223, 39160, 43076, 44770, 53845, 65860, 72446, 86152, 89540, 107690, 131720, 144892, 179080, 181115, 215380, 289784, 362230, 398453, 430760, 724460, 796906, 1448920, 1593812, 1992265, 3187624, 3984530, 7969060, 15938120]

約数ペア:

[(1, 15938120), (2, 7969060), (4, 3984530), (5, 3187624), (8, 1992265), (10, 1593812), (11, 1448920), (20, 796906), (22, 724460), (37, 430760), (40, 398453), (44, 362230), (55, 289784), (74, 215380), (88, 181115), (89, 179080), (110, 144892), (121, 131720), (148, 107690), (178, 89540), (185, 86152), (220, 72446), (242, 65860), (296, 53845), (356, 44770), (370, 43076), (407, 39160), (440, 36223), (445, 35816), (484, 32930), (605, 26344), (712, 22385), (740, 21538), (814, 19580), (890, 17908), (968, 16465), (979, 16280), (1210, 13172), (1480, 10769), (1628, 9790), (1780, 8954), (1958, 8140), (2035, 7832), (2420, 6586), (3256, 4895), (3293, 4840), (3560, 4477), (3916, 4070)]