490229760

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 208

約数和(自身を含む): 1604125440

約数和(自身を除く): 1113895680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 101, 120, 128, 158, 160, 192, 202, 237, 240, 256, 303, 316, 320, 384, 395, 404, 474, 480, 505, 512, 606, 632, 640, 768, 790, 808, 948, 960, 1010, 1024, 1185, 1212, 1264, 1280, 1515, 1536, 1580, 1616, 1896, 1920, 2020, 2048, 2370, 2424, 2528, 2560, 3030, 3072, 3160, 3232, 3792, 3840, 4040, 4096, 4740, 4848, 5056, 5120, 6060, 6144, 6320, 6464, 7584, 7680, 7979, 8080, 9480, 9696, 10112, 10240, 12120, 12288, 12640, 12928, 15168, 15360, 15958, 16160, 18960, 19392, 20224, 20480, 23937, 24240, 25280, 25856, 30336, 30720, 31916, 32320, 37920, 38784, 39895, 40448, 47874, 48480, 50560, 51712, 60672, 61440, 63832, 64640, 75840, 77568, 79790, 80896, 95748, 96960, 101120, 103424, 119685, 121344, 127664, 129280, 151680, 155136, 159580, 161792, 191496, 193920, 202240, 206848, 239370, 242688, 255328, 258560, 303360, 310272, 319160, 323584, 382992, 387840, 404480, 413696, 478740, 485376, 510656, 517120, 606720, 620544, 638320, 765984, 775680, 808960, 957480, 970752, 1021312, 1034240, 1213440, 1241088, 1276640, 1531968, 1551360, 1617920, 1914960, 2042624, 2068480, 2426880, 2553280, 3063936, 3102720, 3829920, 4085248, 4853760, 5106560, 6127872, 6205440, 7659840, 8170496, 10213120, 12255744, 15319680, 16340992, 20426240, 24511488, 30639360, 32681984, 40852480, 49022976, 61278720, 81704960, 98045952, 122557440, 163409920, 245114880, 490229760]

約数ペア:

[(1, 490229760), (2, 245114880), (3, 163409920), (4, 122557440), (5, 98045952), (6, 81704960), (8, 61278720), (10, 49022976), (12, 40852480), (15, 32681984), (16, 30639360), (20, 24511488), (24, 20426240), (30, 16340992), (32, 15319680), (40, 12255744), (48, 10213120), (60, 8170496), (64, 7659840), (79, 6205440), (80, 6127872), (96, 5106560), (101, 4853760), (120, 4085248), (128, 3829920), (158, 3102720), (160, 3063936), (192, 2553280), (202, 2426880), (237, 2068480), (240, 2042624), (256, 1914960), (303, 1617920), (316, 1551360), (320, 1531968), (384, 1276640), (395, 1241088), (404, 1213440), (474, 1034240), (480, 1021312), (505, 970752), (512, 957480), (606, 808960), (632, 775680), (640, 765984), (768, 638320), (790, 620544), (808, 606720), (948, 517120), (960, 510656), (1010, 485376), (1024, 478740), (1185, 413696), (1212, 404480), (1264, 387840), (1280, 382992), (1515, 323584), (1536, 319160), (1580, 310272), (1616, 303360), (1896, 258560), (1920, 255328), (2020, 242688), (2048, 239370), (2370, 206848), (2424, 202240), (2528, 193920), (2560, 191496), (3030, 161792), (3072, 159580), (3160, 155136), (3232, 151680), (3792, 129280), (3840, 127664), (4040, 121344), (4096, 119685), (4740, 103424), (4848, 101120), (5056, 96960), (5120, 95748), (6060, 80896), (6144, 79790), (6320, 77568), (6464, 75840), (7584, 64640), (7680, 63832), (7979, 61440), (8080, 60672), (9480, 51712), (9696, 50560), (10112, 48480), (10240, 47874), (12120, 40448), (12288, 39895), (12640, 38784), (12928, 37920), (15168, 32320), (15360, 31916), (15958, 30720), (16160, 30336), (18960, 25856), (19392, 25280), (20224, 24240), (20480, 23937)]