392917280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 144

約数和(自身を含む): 1127286720

約数和(自身を除く): 734369440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 1120, 1127, 1288, 1568, 1610, 1840, 1960, 2179, 2254, 2576, 3220, 3680, 3920, 4358, 4508, 5152, 5635, 6440, 7840, 8716, 9016, 10895, 11270, 12880, 15253, 17432, 18032, 21790, 22540, 25760, 30506, 34864, 36064, 43580, 45080, 50117, 61012, 69728, 76265, 87160, 90160, 100234, 106771, 122024, 152530, 174320, 180320, 200468, 213542, 244048, 250585, 305060, 348640, 350819, 400936, 427084, 488096, 501170, 533855, 610120, 701638, 801872, 854168, 1002340, 1067710, 1220240, 1403276, 1603744, 1708336, 1754095, 2004680, 2135420, 2440480, 2455733, 2806552, 3416672, 3508190, 4009360, 4270840, 4911466, 5613104, 7016380, 8018720, 8541680, 9822932, 11226208, 12278665, 14032760, 17083360, 19645864, 24557330, 28065520, 39291728, 49114660, 56131040, 78583456, 98229320, 196458640, 392917280]

約数ペア:

[(1, 392917280), (2, 196458640), (4, 98229320), (5, 78583456), (7, 56131040), (8, 49114660), (10, 39291728), (14, 28065520), (16, 24557330), (20, 19645864), (23, 17083360), (28, 14032760), (32, 12278665), (35, 11226208), (40, 9822932), (46, 8541680), (49, 8018720), (56, 7016380), (70, 5613104), (80, 4911466), (92, 4270840), (98, 4009360), (112, 3508190), (115, 3416672), (140, 2806552), (160, 2455733), (161, 2440480), (184, 2135420), (196, 2004680), (224, 1754095), (230, 1708336), (245, 1603744), (280, 1403276), (322, 1220240), (368, 1067710), (392, 1002340), (460, 854168), (490, 801872), (560, 701638), (644, 610120), (736, 533855), (784, 501170), (805, 488096), (920, 427084), (980, 400936), (1120, 350819), (1127, 348640), (1288, 305060), (1568, 250585), (1610, 244048), (1840, 213542), (1960, 200468), (2179, 180320), (2254, 174320), (2576, 152530), (3220, 122024), (3680, 106771), (3920, 100234), (4358, 90160), (4508, 87160), (5152, 76265), (5635, 69728), (6440, 61012), (7840, 50117), (8716, 45080), (9016, 43580), (10895, 36064), (11270, 34864), (12880, 30506), (15253, 25760), (17432, 22540), (18032, 21790)]