204764560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2601

約数の個数: 160

約数和(自身を含む): 639459072

約数和(自身を除く): 434694512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2557, 2860, 3080, 3640, 4004, 5005, 5114, 5720, 6160, 7280, 8008, 10010, 10228, 11440, 12785, 16016, 17899, 20020, 20456, 25570, 28127, 33241, 35798, 40040, 40912, 51140, 56254, 66482, 71596, 80080, 89495, 102280, 112508, 132964, 140635, 143192, 166205, 178990, 196889, 204560, 225016, 232687, 265928, 281270, 286384, 332410, 357980, 365651, 393778, 450032, 465374, 531856, 562540, 664820, 715960, 731302, 787556, 930748, 984445, 1125080, 1163435, 1329640, 1431920, 1462604, 1575112, 1828255, 1861496, 1968890, 2250160, 2326870, 2559557, 2659280, 2925208, 3150224, 3656510, 3722992, 3937780, 4653740, 5119114, 5850416, 7313020, 7875560, 9307480, 10238228, 12797785, 14626040, 15751120, 18614960, 20476456, 25595570, 29252080, 40952912, 51191140, 102382280, 204764560]

約数ペア:

[(1, 204764560), (2, 102382280), (4, 51191140), (5, 40952912), (7, 29252080), (8, 25595570), (10, 20476456), (11, 18614960), (13, 15751120), (14, 14626040), (16, 12797785), (20, 10238228), (22, 9307480), (26, 7875560), (28, 7313020), (35, 5850416), (40, 5119114), (44, 4653740), (52, 3937780), (55, 3722992), (56, 3656510), (65, 3150224), (70, 2925208), (77, 2659280), (80, 2559557), (88, 2326870), (91, 2250160), (104, 1968890), (110, 1861496), (112, 1828255), (130, 1575112), (140, 1462604), (143, 1431920), (154, 1329640), (176, 1163435), (182, 1125080), (208, 984445), (220, 930748), (260, 787556), (280, 731302), (286, 715960), (308, 664820), (364, 562540), (385, 531856), (440, 465374), (455, 450032), (520, 393778), (560, 365651), (572, 357980), (616, 332410), (715, 286384), (728, 281270), (770, 265928), (880, 232687), (910, 225016), (1001, 204560), (1040, 196889), (1144, 178990), (1232, 166205), (1430, 143192), (1456, 140635), (1540, 132964), (1820, 112508), (2002, 102280), (2288, 89495), (2557, 80080), (2860, 71596), (3080, 66482), (3640, 56254), (4004, 51140), (5005, 40912), (5114, 40040), (5720, 35798), (6160, 33241), (7280, 28127), (8008, 25570), (10010, 20456), (10228, 20020), (11440, 17899), (12785, 16016)]