138315520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 388523520

約数和(自身を除く): 250208000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 215, 224, 256, 280, 301, 320, 344, 359, 430, 448, 560, 602, 640, 688, 718, 860, 896, 1120, 1204, 1280, 1376, 1436, 1505, 1720, 1792, 1795, 2240, 2408, 2513, 2752, 2872, 3010, 3440, 3590, 4480, 4816, 5026, 5504, 5744, 6020, 6880, 7180, 8960, 9632, 10052, 11008, 11488, 12040, 12565, 13760, 14360, 15437, 19264, 20104, 22976, 24080, 25130, 27520, 28720, 30874, 38528, 40208, 45952, 48160, 50260, 55040, 57440, 61748, 77056, 77185, 80416, 91904, 96320, 100520, 108059, 114880, 123496, 154370, 160832, 192640, 201040, 216118, 229760, 246992, 308740, 321664, 385280, 402080, 432236, 459520, 493984, 540295, 617480, 643328, 804160, 864472, 987968, 1080590, 1234960, 1608320, 1728944, 1975936, 2161180, 2469920, 3216640, 3457888, 3951872, 4322360, 4939840, 6915776, 8644720, 9879680, 13831552, 17289440, 19759360, 27663104, 34578880, 69157760, 138315520]

約数ペア:

[(1, 138315520), (2, 69157760), (4, 34578880), (5, 27663104), (7, 19759360), (8, 17289440), (10, 13831552), (14, 9879680), (16, 8644720), (20, 6915776), (28, 4939840), (32, 4322360), (35, 3951872), (40, 3457888), (43, 3216640), (56, 2469920), (64, 2161180), (70, 1975936), (80, 1728944), (86, 1608320), (112, 1234960), (128, 1080590), (140, 987968), (160, 864472), (172, 804160), (215, 643328), (224, 617480), (256, 540295), (280, 493984), (301, 459520), (320, 432236), (344, 402080), (359, 385280), (430, 321664), (448, 308740), (560, 246992), (602, 229760), (640, 216118), (688, 201040), (718, 192640), (860, 160832), (896, 154370), (1120, 123496), (1204, 114880), (1280, 108059), (1376, 100520), (1436, 96320), (1505, 91904), (1720, 80416), (1792, 77185), (1795, 77056), (2240, 61748), (2408, 57440), (2513, 55040), (2752, 50260), (2872, 48160), (3010, 45952), (3440, 40208), (3590, 38528), (4480, 30874), (4816, 28720), (5026, 27520), (5504, 25130), (5744, 24080), (6020, 22976), (6880, 20104), (7180, 19264), (8960, 15437), (9632, 14360), (10052, 13760), (11008, 12565), (11488, 12040)]