208612920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 648648000

約数和(自身を除く): 440035080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 109, 120, 123, 164, 205, 218, 246, 327, 328, 389, 410, 436, 492, 545, 615, 654, 778, 820, 872, 984, 1090, 1167, 1230, 1308, 1556, 1635, 1640, 1945, 2180, 2334, 2460, 2616, 3112, 3270, 3890, 4360, 4469, 4668, 4920, 5835, 6540, 7780, 8938, 9336, 11670, 13080, 13407, 15560, 15949, 17876, 22345, 23340, 26814, 31898, 35752, 42401, 44690, 46680, 47847, 53628, 63796, 67035, 79745, 84802, 89380, 95694, 107256, 127203, 127592, 134070, 159490, 169604, 178760, 191388, 212005, 239235, 254406, 268140, 318980, 339208, 382776, 424010, 478470, 508812, 536280, 636015, 637960, 848020, 956940, 1017624, 1272030, 1696040, 1738441, 1913880, 2544060, 3476882, 5088120, 5215323, 6953764, 8692205, 10430646, 13907528, 17384410, 20861292, 26076615, 34768820, 41722584, 52153230, 69537640, 104306460, 208612920]

約数ペア:

[(1, 208612920), (2, 104306460), (3, 69537640), (4, 52153230), (5, 41722584), (6, 34768820), (8, 26076615), (10, 20861292), (12, 17384410), (15, 13907528), (20, 10430646), (24, 8692205), (30, 6953764), (40, 5215323), (41, 5088120), (60, 3476882), (82, 2544060), (109, 1913880), (120, 1738441), (123, 1696040), (164, 1272030), (205, 1017624), (218, 956940), (246, 848020), (327, 637960), (328, 636015), (389, 536280), (410, 508812), (436, 478470), (492, 424010), (545, 382776), (615, 339208), (654, 318980), (778, 268140), (820, 254406), (872, 239235), (984, 212005), (1090, 191388), (1167, 178760), (1230, 169604), (1308, 159490), (1556, 134070), (1635, 127592), (1640, 127203), (1945, 107256), (2180, 95694), (2334, 89380), (2460, 84802), (2616, 79745), (3112, 67035), (3270, 63796), (3890, 53628), (4360, 47847), (4469, 46680), (4668, 44690), (4920, 42401), (5835, 35752), (6540, 31898), (7780, 26814), (8938, 23340), (9336, 22345), (11670, 17876), (13080, 15949), (13407, 15560)]