15811728

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 27727152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 307, 348, 444, 464, 592, 614, 696, 888, 921, 1073, 1228, 1392, 1776, 1842, 2146, 2456, 3219, 3684, 4292, 4912, 6438, 7368, 8584, 8903, 11359, 12876, 14736, 17168, 17806, 22718, 25752, 26709, 34077, 35612, 45436, 51504, 53418, 68154, 71224, 90872, 106836, 136308, 142448, 181744, 213672, 272616, 329411, 427344, 545232, 658822, 988233, 1317644, 1976466, 2635288, 3952932, 5270576, 7905864, 15811728]

約数ペア:

[(1, 15811728), (2, 7905864), (3, 5270576), (4, 3952932), (6, 2635288), (8, 1976466), (12, 1317644), (16, 988233), (24, 658822), (29, 545232), (37, 427344), (48, 329411), (58, 272616), (74, 213672), (87, 181744), (111, 142448), (116, 136308), (148, 106836), (174, 90872), (222, 71224), (232, 68154), (296, 53418), (307, 51504), (348, 45436), (444, 35612), (464, 34077), (592, 26709), (614, 25752), (696, 22718), (888, 17806), (921, 17168), (1073, 14736), (1228, 12876), (1392, 11359), (1776, 8903), (1842, 8584), (2146, 7368), (2456, 6438), (3219, 4912), (3684, 4292)]