81983040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 224

約数和(自身を含む): 280903680

約数和(自身を除く): 198920640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 47, 48, 60, 64, 69, 79, 80, 92, 94, 96, 115, 120, 138, 141, 158, 160, 184, 188, 192, 230, 235, 237, 240, 276, 282, 316, 320, 345, 368, 376, 395, 460, 470, 474, 480, 552, 564, 632, 690, 705, 736, 752, 790, 920, 940, 948, 960, 1081, 1104, 1128, 1185, 1264, 1380, 1410, 1472, 1504, 1580, 1817, 1840, 1880, 1896, 2162, 2208, 2256, 2370, 2528, 2760, 2820, 3008, 3160, 3243, 3634, 3680, 3713, 3760, 3792, 4324, 4416, 4512, 4740, 5056, 5405, 5451, 5520, 5640, 6320, 6486, 7268, 7360, 7426, 7520, 7584, 8648, 9024, 9085, 9480, 10810, 10902, 11040, 11139, 11280, 12640, 12972, 14536, 14852, 15040, 15168, 16215, 17296, 18170, 18565, 18960, 21620, 21804, 22080, 22278, 22560, 25280, 25944, 27255, 29072, 29704, 32430, 34592, 36340, 37130, 37920, 43240, 43608, 44556, 45120, 51888, 54510, 55695, 58144, 59408, 64860, 69184, 72680, 74260, 75840, 85399, 86480, 87216, 89112, 103776, 109020, 111390, 116288, 118816, 129720, 145360, 148520, 170798, 172960, 174432, 178224, 207552, 218040, 222780, 237632, 256197, 259440, 290720, 297040, 341596, 345920, 348864, 356448, 426995, 436080, 445560, 512394, 518880, 581440, 594080, 683192, 712896, 853990, 872160, 891120, 1024788, 1037760, 1188160, 1280985, 1366384, 1707980, 1744320, 1782240, 2049576, 2561970, 2732768, 3415960, 3564480, 4099152, 5123940, 5465536, 6831920, 8198304, 10247880, 13663840, 16396608, 20495760, 27327680, 40991520, 81983040]

約数ペア:

[(1, 81983040), (2, 40991520), (3, 27327680), (4, 20495760), (5, 16396608), (6, 13663840), (8, 10247880), (10, 8198304), (12, 6831920), (15, 5465536), (16, 5123940), (20, 4099152), (23, 3564480), (24, 3415960), (30, 2732768), (32, 2561970), (40, 2049576), (46, 1782240), (47, 1744320), (48, 1707980), (60, 1366384), (64, 1280985), (69, 1188160), (79, 1037760), (80, 1024788), (92, 891120), (94, 872160), (96, 853990), (115, 712896), (120, 683192), (138, 594080), (141, 581440), (158, 518880), (160, 512394), (184, 445560), (188, 436080), (192, 426995), (230, 356448), (235, 348864), (237, 345920), (240, 341596), (276, 297040), (282, 290720), (316, 259440), (320, 256197), (345, 237632), (368, 222780), (376, 218040), (395, 207552), (460, 178224), (470, 174432), (474, 172960), (480, 170798), (552, 148520), (564, 145360), (632, 129720), (690, 118816), (705, 116288), (736, 111390), (752, 109020), (790, 103776), (920, 89112), (940, 87216), (948, 86480), (960, 85399), (1081, 75840), (1104, 74260), (1128, 72680), (1185, 69184), (1264, 64860), (1380, 59408), (1410, 58144), (1472, 55695), (1504, 54510), (1580, 51888), (1817, 45120), (1840, 44556), (1880, 43608), (1896, 43240), (2162, 37920), (2208, 37130), (2256, 36340), (2370, 34592), (2528, 32430), (2760, 29704), (2820, 29072), (3008, 27255), (3160, 25944), (3243, 25280), (3634, 22560), (3680, 22278), (3713, 22080), (3760, 21804), (3792, 21620), (4324, 18960), (4416, 18565), (4512, 18170), (4740, 17296), (5056, 16215), (5405, 15168), (5451, 15040), (5520, 14852), (5640, 14536), (6320, 12972), (6486, 12640), (7268, 11280), (7360, 11139), (7426, 11040), (7520, 10902), (7584, 10810), (8648, 9480), (9024, 9085)]