189781680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71887}}^1$

素因数の和:71914

約数の個数: 80

約数和(自身を含む): 641816064

約数和(自身を除く): 452034384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 71887, 143774, 215661, 287548, 359435, 431322, 575096, 718870, 790757, 862644, 1078305, 1150192, 1437740, 1581514, 1725288, 2156610, 2372271, 2875480, 3163028, 3450576, 3953785, 4313220, 4744542, 5750960, 6326056, 7907570, 8626440, 9489084, 11861355, 12652112, 15815140, 17252880, 18978168, 23722710, 31630280, 37956336, 47445420, 63260560, 94890840, 189781680]

約数ペア:

[(1, 189781680), (2, 94890840), (3, 63260560), (4, 47445420), (5, 37956336), (6, 31630280), (8, 23722710), (10, 18978168), (11, 17252880), (12, 15815140), (15, 12652112), (16, 11861355), (20, 9489084), (22, 8626440), (24, 7907570), (30, 6326056), (33, 5750960), (40, 4744542), (44, 4313220), (48, 3953785), (55, 3450576), (60, 3163028), (66, 2875480), (80, 2372271), (88, 2156610), (110, 1725288), (120, 1581514), (132, 1437740), (165, 1150192), (176, 1078305), (220, 862644), (240, 790757), (264, 718870), (330, 575096), (440, 431322), (528, 359435), (660, 287548), (880, 215661), (1320, 143774), (2640, 71887)]