1970899840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:869

約数の個数: 256

約数和(自身を含む): 5941393920

約数和(自身を除く): 3970494080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 43, 52, 56, 64, 65, 70, 80, 86, 91, 104, 112, 128, 130, 140, 160, 172, 182, 208, 215, 224, 260, 280, 301, 320, 344, 364, 416, 430, 448, 455, 520, 559, 560, 602, 640, 688, 728, 787, 832, 860, 896, 910, 1040, 1118, 1120, 1204, 1376, 1456, 1505, 1574, 1664, 1720, 1820, 2080, 2236, 2240, 2408, 2752, 2795, 2912, 3010, 3148, 3440, 3640, 3913, 3935, 4160, 4472, 4480, 4816, 5504, 5509, 5590, 5824, 6020, 6296, 6880, 7280, 7826, 7870, 8320, 8944, 9632, 10231, 11018, 11180, 11648, 12040, 12592, 13760, 14560, 15652, 15740, 17888, 19264, 19565, 20462, 22036, 22360, 24080, 25184, 27520, 27545, 29120, 31304, 31480, 33841, 35776, 38528, 39130, 40924, 44072, 44720, 48160, 50368, 51155, 55090, 58240, 62608, 62960, 67682, 71552, 71617, 78260, 81848, 88144, 89440, 96320, 100736, 102310, 110180, 125216, 125920, 135364, 143234, 156520, 163696, 169205, 176288, 178880, 192640, 204620, 220360, 236887, 250432, 251840, 270728, 286468, 313040, 327392, 338410, 352576, 357760, 358085, 409240, 439933, 440720, 473774, 500864, 503680, 541456, 572936, 626080, 654784, 676820, 705152, 716170, 818480, 879866, 881440, 947548, 1082912, 1145872, 1184435, 1252160, 1309568, 1353640, 1432340, 1636960, 1759732, 1762880, 1895096, 2165824, 2199665, 2291744, 2368870, 2504320, 2707280, 2864680, 3079531, 3273920, 3519464, 3525760, 3790192, 4331648, 4399330, 4583488, 4737740, 5414560, 5729360, 6159062, 6547840, 7038928, 7580384, 8798660, 9166976, 9475480, 10829120, 11458720, 12318124, 14077856, 15160768, 15397655, 17597320, 18950960, 21658240, 22917440, 24636248, 28155712, 30321536, 30795310, 35194640, 37901920, 45834880, 49272496, 56311424, 61590620, 70389280, 75803840, 98544992, 123181240, 140778560, 151607680, 197089984, 246362480, 281557120, 394179968, 492724960, 985449920, 1970899840]

約数ペア:

[(1, 1970899840), (2, 985449920), (4, 492724960), (5, 394179968), (7, 281557120), (8, 246362480), (10, 197089984), (13, 151607680), (14, 140778560), (16, 123181240), (20, 98544992), (26, 75803840), (28, 70389280), (32, 61590620), (35, 56311424), (40, 49272496), (43, 45834880), (52, 37901920), (56, 35194640), (64, 30795310), (65, 30321536), (70, 28155712), (80, 24636248), (86, 22917440), (91, 21658240), (104, 18950960), (112, 17597320), (128, 15397655), (130, 15160768), (140, 14077856), (160, 12318124), (172, 11458720), (182, 10829120), (208, 9475480), (215, 9166976), (224, 8798660), (260, 7580384), (280, 7038928), (301, 6547840), (320, 6159062), (344, 5729360), (364, 5414560), (416, 4737740), (430, 4583488), (448, 4399330), (455, 4331648), (520, 3790192), (559, 3525760), (560, 3519464), (602, 3273920), (640, 3079531), (688, 2864680), (728, 2707280), (787, 2504320), (832, 2368870), (860, 2291744), (896, 2199665), (910, 2165824), (1040, 1895096), (1118, 1762880), (1120, 1759732), (1204, 1636960), (1376, 1432340), (1456, 1353640), (1505, 1309568), (1574, 1252160), (1664, 1184435), (1720, 1145872), (1820, 1082912), (2080, 947548), (2236, 881440), (2240, 879866), (2408, 818480), (2752, 716170), (2795, 705152), (2912, 676820), (3010, 654784), (3148, 626080), (3440, 572936), (3640, 541456), (3913, 503680), (3935, 500864), (4160, 473774), (4472, 440720), (4480, 439933), (4816, 409240), (5504, 358085), (5509, 357760), (5590, 352576), (5824, 338410), (6020, 327392), (6296, 313040), (6880, 286468), (7280, 270728), (7826, 251840), (7870, 250432), (8320, 236887), (8944, 220360), (9632, 204620), (10231, 192640), (11018, 178880), (11180, 176288), (11648, 169205), (12040, 163696), (12592, 156520), (13760, 143234), (14560, 135364), (15652, 125920), (15740, 125216), (17888, 110180), (19264, 102310), (19565, 100736), (20462, 96320), (22036, 89440), (22360, 88144), (24080, 81848), (25184, 78260), (27520, 71617), (27545, 71552), (29120, 67682), (31304, 62960), (31480, 62608), (33841, 58240), (35776, 55090), (38528, 51155), (39130, 50368), (40924, 48160), (44072, 44720)]