28640400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 120

約数和(自身を含む): 95023680

約数和(自身を除く): 66383280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 40, 48, 50, 58, 60, 75, 80, 87, 100, 116, 120, 145, 150, 174, 200, 232, 240, 290, 300, 348, 400, 435, 464, 580, 600, 696, 725, 823, 870, 1160, 1200, 1392, 1450, 1646, 1740, 2175, 2320, 2469, 2900, 3292, 3480, 4115, 4350, 4938, 5800, 6584, 6960, 8230, 8700, 9876, 11600, 12345, 13168, 16460, 17400, 19752, 20575, 23867, 24690, 32920, 34800, 39504, 41150, 47734, 49380, 61725, 65840, 71601, 82300, 95468, 98760, 119335, 123450, 143202, 164600, 190936, 197520, 238670, 246900, 286404, 329200, 358005, 381872, 477340, 493800, 572808, 596675, 716010, 954680, 987600, 1145616, 1193350, 1432020, 1790025, 1909360, 2386700, 2864040, 3580050, 4773400, 5728080, 7160100, 9546800, 14320200, 28640400]

約数ペア:

[(1, 28640400), (2, 14320200), (3, 9546800), (4, 7160100), (5, 5728080), (6, 4773400), (8, 3580050), (10, 2864040), (12, 2386700), (15, 1909360), (16, 1790025), (20, 1432020), (24, 1193350), (25, 1145616), (29, 987600), (30, 954680), (40, 716010), (48, 596675), (50, 572808), (58, 493800), (60, 477340), (75, 381872), (80, 358005), (87, 329200), (100, 286404), (116, 246900), (120, 238670), (145, 197520), (150, 190936), (174, 164600), (200, 143202), (232, 123450), (240, 119335), (290, 98760), (300, 95468), (348, 82300), (400, 71601), (435, 65840), (464, 61725), (580, 49380), (600, 47734), (696, 41150), (725, 39504), (823, 34800), (870, 32920), (1160, 24690), (1200, 23867), (1392, 20575), (1450, 19752), (1646, 17400), (1740, 16460), (2175, 13168), (2320, 12345), (2469, 11600), (2900, 9876), (3292, 8700), (3480, 8230), (4115, 6960), (4350, 6584), (4938, 5800)]