1111111920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:860

約数の個数: 240

約数和(自身を含む): 3914606592

約数和(自身を除く): 2803494672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 67, 72, 80, 90, 93, 120, 124, 134, 144, 155, 180, 186, 201, 240, 248, 268, 279, 310, 335, 360, 372, 402, 465, 496, 536, 558, 603, 620, 670, 720, 743, 744, 804, 930, 1005, 1072, 1116, 1206, 1240, 1340, 1395, 1486, 1488, 1608, 1860, 2010, 2077, 2229, 2232, 2412, 2480, 2680, 2790, 2972, 3015, 3216, 3715, 3720, 4020, 4154, 4458, 4464, 4824, 5360, 5580, 5944, 6030, 6231, 6687, 7430, 7440, 8040, 8308, 8916, 9648, 10385, 11145, 11160, 11888, 12060, 12462, 13374, 14860, 16080, 16616, 17832, 18693, 20770, 22290, 22320, 23033, 24120, 24924, 26748, 29720, 31155, 33232, 33435, 35664, 37386, 41540, 44580, 46066, 48240, 49781, 49848, 53496, 59440, 62310, 66870, 69099, 74772, 83080, 89160, 92132, 93465, 99562, 99696, 106992, 115165, 124620, 133740, 138198, 149343, 149544, 166160, 178320, 184264, 186930, 199124, 207297, 230330, 248905, 249240, 267480, 276396, 298686, 299088, 345495, 368528, 373860, 398248, 414594, 448029, 460660, 497810, 498480, 534960, 552792, 597372, 690990, 746715, 747720, 796496, 829188, 896058, 921320, 995620, 1036485, 1105584, 1194744, 1381980, 1493430, 1495440, 1543211, 1658376, 1792116, 1842640, 1991240, 2072970, 2240145, 2389488, 2763960, 2986860, 3086422, 3316752, 3584232, 3982480, 4145940, 4480290, 4629633, 5527920, 5973720, 6172844, 7168464, 7716055, 8291880, 8960580, 9259266, 11947440, 12345688, 13888899, 15432110, 16583760, 17921160, 18518532, 23148165, 24691376, 27777798, 30864220, 35842320, 37037064, 46296330, 55555596, 61728440, 69444495, 74074128, 92592660, 111111192, 123456880, 138888990, 185185320, 222222384, 277777980, 370370640, 555555960, 1111111920]

約数ペア:

[(1, 1111111920), (2, 555555960), (3, 370370640), (4, 277777980), (5, 222222384), (6, 185185320), (8, 138888990), (9, 123456880), (10, 111111192), (12, 92592660), (15, 74074128), (16, 69444495), (18, 61728440), (20, 55555596), (24, 46296330), (30, 37037064), (31, 35842320), (36, 30864220), (40, 27777798), (45, 24691376), (48, 23148165), (60, 18518532), (62, 17921160), (67, 16583760), (72, 15432110), (80, 13888899), (90, 12345688), (93, 11947440), (120, 9259266), (124, 8960580), (134, 8291880), (144, 7716055), (155, 7168464), (180, 6172844), (186, 5973720), (201, 5527920), (240, 4629633), (248, 4480290), (268, 4145940), (279, 3982480), (310, 3584232), (335, 3316752), (360, 3086422), (372, 2986860), (402, 2763960), (465, 2389488), (496, 2240145), (536, 2072970), (558, 1991240), (603, 1842640), (620, 1792116), (670, 1658376), (720, 1543211), (743, 1495440), (744, 1493430), (804, 1381980), (930, 1194744), (1005, 1105584), (1072, 1036485), (1116, 995620), (1206, 921320), (1240, 896058), (1340, 829188), (1395, 796496), (1486, 747720), (1488, 746715), (1608, 690990), (1860, 597372), (2010, 552792), (2077, 534960), (2229, 498480), (2232, 497810), (2412, 460660), (2480, 448029), (2680, 414594), (2790, 398248), (2972, 373860), (3015, 368528), (3216, 345495), (3715, 299088), (3720, 298686), (4020, 276396), (4154, 267480), (4458, 249240), (4464, 248905), (4824, 230330), (5360, 207297), (5580, 199124), (5944, 186930), (6030, 184264), (6231, 178320), (6687, 166160), (7430, 149544), (7440, 149343), (8040, 138198), (8308, 133740), (8916, 124620), (9648, 115165), (10385, 106992), (11145, 99696), (11160, 99562), (11888, 93465), (12060, 92132), (12462, 89160), (13374, 83080), (14860, 74772), (16080, 69099), (16616, 66870), (17832, 62310), (18693, 59440), (20770, 53496), (22290, 49848), (22320, 49781), (23033, 48240), (24120, 46066), (24924, 44580), (26748, 41540), (29720, 37386), (31155, 35664), (33232, 33435)]