28178040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21347}}^1$

素因数の和:21372

約数の個数: 64

約数和(自身を含む): 92223360

約数和(自身を除く): 64045320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21347, 42694, 64041, 85388, 106735, 128082, 170776, 213470, 234817, 256164, 320205, 426940, 469634, 512328, 640410, 704451, 853880, 939268, 1174085, 1280820, 1408902, 1878536, 2348170, 2561640, 2817804, 3522255, 4696340, 5635608, 7044510, 9392680, 14089020, 28178040]

約数ペア:

[(1, 28178040), (2, 14089020), (3, 9392680), (4, 7044510), (5, 5635608), (6, 4696340), (8, 3522255), (10, 2817804), (11, 2561640), (12, 2348170), (15, 1878536), (20, 1408902), (22, 1280820), (24, 1174085), (30, 939268), (33, 853880), (40, 704451), (44, 640410), (55, 512328), (60, 469634), (66, 426940), (88, 320205), (110, 256164), (120, 234817), (132, 213470), (165, 170776), (220, 128082), (264, 106735), (330, 85388), (440, 64041), (660, 42694), (1320, 21347)]