648252160

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^3$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 1698907392

約数和(自身を除く): 1050655232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 961, 992, 1054, 1088, 1240, 1280, 1360, 1922, 1984, 2108, 2176, 2480, 2635, 2720, 3844, 3968, 4216, 4352, 4805, 4960, 5270, 5440, 7688, 7936, 8432, 9610, 9920, 10540, 10880, 15376, 16337, 16864, 19220, 19840, 21080, 21760, 29791, 30752, 32674, 33728, 38440, 39680, 42160, 59582, 61504, 65348, 67456, 76880, 81685, 84320, 119164, 123008, 130696, 134912, 148955, 153760, 163370, 168640, 238328, 246016, 261392, 297910, 307520, 326740, 337280, 476656, 506447, 522784, 595820, 615040, 653480, 674560, 953312, 1012894, 1045568, 1191640, 1230080, 1306960, 1906624, 2025788, 2091136, 2383280, 2532235, 2613920, 3813248, 4051576, 4182272, 4766560, 5064470, 5227840, 7626496, 8103152, 9533120, 10128940, 10455680, 16206304, 19066240, 20257880, 20911360, 32412608, 38132480, 40515760, 64825216, 81031520, 129650432, 162063040, 324126080, 648252160]

約数ペア:

[(1, 648252160), (2, 324126080), (4, 162063040), (5, 129650432), (8, 81031520), (10, 64825216), (16, 40515760), (17, 38132480), (20, 32412608), (31, 20911360), (32, 20257880), (34, 19066240), (40, 16206304), (62, 10455680), (64, 10128940), (68, 9533120), (80, 8103152), (85, 7626496), (124, 5227840), (128, 5064470), (136, 4766560), (155, 4182272), (160, 4051576), (170, 3813248), (248, 2613920), (256, 2532235), (272, 2383280), (310, 2091136), (320, 2025788), (340, 1906624), (496, 1306960), (527, 1230080), (544, 1191640), (620, 1045568), (640, 1012894), (680, 953312), (961, 674560), (992, 653480), (1054, 615040), (1088, 595820), (1240, 522784), (1280, 506447), (1360, 476656), (1922, 337280), (1984, 326740), (2108, 307520), (2176, 297910), (2480, 261392), (2635, 246016), (2720, 238328), (3844, 168640), (3968, 163370), (4216, 153760), (4352, 148955), (4805, 134912), (4960, 130696), (5270, 123008), (5440, 119164), (7688, 84320), (7936, 81685), (8432, 76880), (9610, 67456), (9920, 65348), (10540, 61504), (10880, 59582), (15376, 42160), (16337, 39680), (16864, 38440), (19220, 33728), (19840, 32674), (21080, 30752), (21760, 29791)]