20162950400

素因数分解:

$2^8\times 5^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:621

約数の個数: 216

約数和(自身を含む): 51203181120

約数和(自身を除く): 31040230720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 103, 128, 146, 160, 200, 206, 256, 292, 320, 365, 400, 412, 419, 515, 584, 640, 730, 800, 824, 838, 1030, 1168, 1280, 1460, 1600, 1648, 1676, 1825, 2060, 2095, 2336, 2575, 2920, 3200, 3296, 3352, 3650, 4120, 4190, 4672, 5150, 5840, 6400, 6592, 6704, 7300, 7519, 8240, 8380, 9344, 10300, 10475, 11680, 13184, 13408, 14600, 15038, 16480, 16760, 18688, 20600, 20950, 23360, 26368, 26816, 29200, 30076, 30587, 32960, 33520, 37595, 41200, 41900, 43157, 46720, 53632, 58400, 60152, 61174, 65920, 67040, 75190, 82400, 83800, 86314, 93440, 107264, 116800, 120304, 122348, 131840, 134080, 150380, 152935, 164800, 167600, 172628, 187975, 215785, 233600, 240608, 244696, 268160, 300760, 305870, 329600, 335200, 345256, 375950, 431570, 467200, 481216, 489392, 536320, 601520, 611740, 659200, 670400, 690512, 751900, 764675, 863140, 962432, 978784, 1078925, 1203040, 1223480, 1340800, 1381024, 1503800, 1529350, 1726280, 1924864, 1957568, 2157850, 2406080, 2446960, 2681600, 2762048, 3007600, 3058700, 3150461, 3452560, 3915136, 4315700, 4812160, 4893920, 5524096, 6015200, 6117400, 6300922, 6905120, 7830272, 8631400, 9624320, 9787840, 11048192, 12030400, 12234800, 12601844, 13810240, 15752305, 17262800, 19575680, 24060800, 24469600, 25203688, 27620480, 31504610, 34525600, 39151360, 48121600, 48939200, 50407376, 55240960, 63009220, 69051200, 78761525, 97878400, 100814752, 126018440, 138102400, 157523050, 195756800, 201629504, 252036880, 276204800, 315046100, 403259008, 504073760, 630092200, 806518016, 1008147520, 1260184400, 2016295040, 2520368800, 4032590080, 5040737600, 10081475200, 20162950400]

約数ペア:

[(1, 20162950400), (2, 10081475200), (4, 5040737600), (5, 4032590080), (8, 2520368800), (10, 2016295040), (16, 1260184400), (20, 1008147520), (25, 806518016), (32, 630092200), (40, 504073760), (50, 403259008), (64, 315046100), (73, 276204800), (80, 252036880), (100, 201629504), (103, 195756800), (128, 157523050), (146, 138102400), (160, 126018440), (200, 100814752), (206, 97878400), (256, 78761525), (292, 69051200), (320, 63009220), (365, 55240960), (400, 50407376), (412, 48939200), (419, 48121600), (515, 39151360), (584, 34525600), (640, 31504610), (730, 27620480), (800, 25203688), (824, 24469600), (838, 24060800), (1030, 19575680), (1168, 17262800), (1280, 15752305), (1460, 13810240), (1600, 12601844), (1648, 12234800), (1676, 12030400), (1825, 11048192), (2060, 9787840), (2095, 9624320), (2336, 8631400), (2575, 7830272), (2920, 6905120), (3200, 6300922), (3296, 6117400), (3352, 6015200), (3650, 5524096), (4120, 4893920), (4190, 4812160), (4672, 4315700), (5150, 3915136), (5840, 3452560), (6400, 3150461), (6592, 3058700), (6704, 3007600), (7300, 2762048), (7519, 2681600), (8240, 2446960), (8380, 2406080), (9344, 2157850), (10300, 1957568), (10475, 1924864), (11680, 1726280), (13184, 1529350), (13408, 1503800), (14600, 1381024), (15038, 1340800), (16480, 1223480), (16760, 1203040), (18688, 1078925), (20600, 978784), (20950, 962432), (23360, 863140), (26368, 764675), (26816, 751900), (29200, 690512), (30076, 670400), (30587, 659200), (32960, 611740), (33520, 601520), (37595, 536320), (41200, 489392), (41900, 481216), (43157, 467200), (46720, 431570), (53632, 375950), (58400, 345256), (60152, 335200), (61174, 329600), (65920, 305870), (67040, 300760), (75190, 268160), (82400, 244696), (83800, 240608), (86314, 233600), (93440, 215785), (107264, 187975), (116800, 172628), (120304, 167600), (122348, 164800), (131840, 152935), (134080, 150380)]