648656640

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{137}}^2$

素因数の和:304

約数の個数: 216

約数和(自身を含む): 2318754480

約数和(自身を除く): 1670097840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 137, 144, 160, 180, 192, 216, 240, 256, 270, 274, 288, 320, 360, 384, 411, 432, 480, 540, 548, 576, 640, 685, 720, 768, 822, 864, 960, 1080, 1096, 1152, 1233, 1280, 1370, 1440, 1644, 1728, 1920, 2055, 2160, 2192, 2304, 2466, 2740, 2880, 3288, 3456, 3699, 3840, 4110, 4320, 4384, 4932, 5480, 5760, 6165, 6576, 6912, 7398, 8220, 8640, 8768, 9864, 10960, 11520, 12330, 13152, 14796, 16440, 17280, 17536, 18495, 18769, 19728, 21920, 24660, 26304, 29592, 32880, 34560, 35072, 36990, 37538, 39456, 43840, 49320, 52608, 56307, 59184, 65760, 73980, 75076, 78912, 87680, 93845, 98640, 105216, 112614, 118368, 131520, 147960, 150152, 157824, 168921, 175360, 187690, 197280, 225228, 236736, 263040, 281535, 295920, 300304, 315648, 337842, 375380, 394560, 450456, 473472, 506763, 526080, 563070, 591840, 600608, 675684, 750760, 789120, 844605, 900912, 946944, 1013526, 1126140, 1183680, 1201216, 1351368, 1501520, 1578240, 1689210, 1801824, 2027052, 2252280, 2367360, 2402432, 2533815, 2702736, 3003040, 3378420, 3603648, 4054104, 4504560, 4734720, 4804864, 5067630, 5405472, 6006080, 6756840, 7207296, 8108208, 9009120, 10135260, 10810944, 12012160, 13513680, 14414592, 16216416, 18018240, 20270520, 21621888, 24024320, 27027360, 32432832, 36036480, 40541040, 43243776, 54054720, 64865664, 72072960, 81082080, 108109440, 129731328, 162164160, 216218880, 324328320, 648656640]

約数ペア:

[(1, 648656640), (2, 324328320), (3, 216218880), (4, 162164160), (5, 129731328), (6, 108109440), (8, 81082080), (9, 72072960), (10, 64865664), (12, 54054720), (15, 43243776), (16, 40541040), (18, 36036480), (20, 32432832), (24, 27027360), (27, 24024320), (30, 21621888), (32, 20270520), (36, 18018240), (40, 16216416), (45, 14414592), (48, 13513680), (54, 12012160), (60, 10810944), (64, 10135260), (72, 9009120), (80, 8108208), (90, 7207296), (96, 6756840), (108, 6006080), (120, 5405472), (128, 5067630), (135, 4804864), (137, 4734720), (144, 4504560), (160, 4054104), (180, 3603648), (192, 3378420), (216, 3003040), (240, 2702736), (256, 2533815), (270, 2402432), (274, 2367360), (288, 2252280), (320, 2027052), (360, 1801824), (384, 1689210), (411, 1578240), (432, 1501520), (480, 1351368), (540, 1201216), (548, 1183680), (576, 1126140), (640, 1013526), (685, 946944), (720, 900912), (768, 844605), (822, 789120), (864, 750760), (960, 675684), (1080, 600608), (1096, 591840), (1152, 563070), (1233, 526080), (1280, 506763), (1370, 473472), (1440, 450456), (1644, 394560), (1728, 375380), (1920, 337842), (2055, 315648), (2160, 300304), (2192, 295920), (2304, 281535), (2466, 263040), (2740, 236736), (2880, 225228), (3288, 197280), (3456, 187690), (3699, 175360), (3840, 168921), (4110, 157824), (4320, 150152), (4384, 147960), (4932, 131520), (5480, 118368), (5760, 112614), (6165, 105216), (6576, 98640), (6912, 93845), (7398, 87680), (8220, 78912), (8640, 75076), (8768, 73980), (9864, 65760), (10960, 59184), (11520, 56307), (12330, 52608), (13152, 49320), (14796, 43840), (16440, 39456), (17280, 37538), (17536, 36990), (18495, 35072), (18769, 34560), (19728, 32880), (21920, 29592), (24660, 26304)]