2171960960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:555

約数の個数: 192

約数和(自身を含む): 5765554080

約数和(自身を除く): 3593593120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 169, 172, 208, 215, 260, 320, 338, 344, 416, 430, 467, 520, 559, 640, 676, 688, 832, 845, 860, 934, 1040, 1118, 1352, 1376, 1664, 1690, 1720, 1868, 2080, 2236, 2335, 2704, 2752, 2795, 3380, 3440, 3736, 4160, 4472, 4670, 5408, 5504, 5590, 6071, 6760, 6880, 7267, 7472, 8320, 8944, 9340, 10816, 11180, 12142, 13520, 13760, 14534, 14944, 17888, 18680, 20081, 21632, 22360, 24284, 27040, 27520, 29068, 29888, 30355, 35776, 36335, 37360, 40162, 44720, 48568, 54080, 58136, 59776, 60710, 71552, 72670, 74720, 78923, 80324, 89440, 97136, 100405, 108160, 116272, 121420, 145340, 149440, 157846, 160648, 178880, 194272, 200810, 232544, 242840, 261053, 290680, 298880, 315692, 321296, 357760, 388544, 394615, 401620, 465088, 485680, 522106, 581360, 631384, 642592, 777088, 789230, 803240, 930176, 971360, 1044212, 1162720, 1262768, 1285184, 1305265, 1578460, 1606480, 1942720, 2088424, 2325440, 2525536, 2570368, 2610530, 3156920, 3212960, 3393689, 3885440, 4176848, 4650880, 5051072, 5221060, 6313840, 6425920, 6787378, 8353696, 10102144, 10442120, 12627680, 12851840, 13574756, 16707392, 16968445, 20884240, 25255360, 27149512, 33414784, 33936890, 41768480, 50510720, 54299024, 67873780, 83536960, 108598048, 135747560, 167073920, 217196096, 271495120, 434392192, 542990240, 1085980480, 2171960960]

約数ペア:

[(1, 2171960960), (2, 1085980480), (4, 542990240), (5, 434392192), (8, 271495120), (10, 217196096), (13, 167073920), (16, 135747560), (20, 108598048), (26, 83536960), (32, 67873780), (40, 54299024), (43, 50510720), (52, 41768480), (64, 33936890), (65, 33414784), (80, 27149512), (86, 25255360), (104, 20884240), (128, 16968445), (130, 16707392), (160, 13574756), (169, 12851840), (172, 12627680), (208, 10442120), (215, 10102144), (260, 8353696), (320, 6787378), (338, 6425920), (344, 6313840), (416, 5221060), (430, 5051072), (467, 4650880), (520, 4176848), (559, 3885440), (640, 3393689), (676, 3212960), (688, 3156920), (832, 2610530), (845, 2570368), (860, 2525536), (934, 2325440), (1040, 2088424), (1118, 1942720), (1352, 1606480), (1376, 1578460), (1664, 1305265), (1690, 1285184), (1720, 1262768), (1868, 1162720), (2080, 1044212), (2236, 971360), (2335, 930176), (2704, 803240), (2752, 789230), (2795, 777088), (3380, 642592), (3440, 631384), (3736, 581360), (4160, 522106), (4472, 485680), (4670, 465088), (5408, 401620), (5504, 394615), (5590, 388544), (6071, 357760), (6760, 321296), (6880, 315692), (7267, 298880), (7472, 290680), (8320, 261053), (8944, 242840), (9340, 232544), (10816, 200810), (11180, 194272), (12142, 178880), (13520, 160648), (13760, 157846), (14534, 149440), (14944, 145340), (17888, 121420), (18680, 116272), (20081, 108160), (21632, 100405), (22360, 97136), (24284, 89440), (27040, 80324), (27520, 78923), (29068, 74720), (29888, 72670), (30355, 71552), (35776, 60710), (36335, 59776), (37360, 58136), (40162, 54080), (44720, 48568)]