28712320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:85

約数の個数: 256

約数和(自身を含む): 92534400

約数和(自身を除く): 63822080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 29, 32, 34, 35, 40, 52, 56, 58, 64, 65, 68, 70, 80, 85, 91, 104, 112, 116, 119, 128, 130, 136, 140, 145, 160, 170, 182, 203, 208, 221, 224, 232, 238, 260, 272, 280, 290, 320, 340, 364, 377, 406, 416, 442, 448, 455, 464, 476, 493, 520, 544, 560, 580, 595, 640, 680, 728, 754, 812, 832, 884, 896, 910, 928, 952, 986, 1015, 1040, 1088, 1105, 1120, 1160, 1190, 1360, 1456, 1508, 1547, 1624, 1664, 1768, 1820, 1856, 1885, 1904, 1972, 2030, 2080, 2176, 2210, 2240, 2320, 2380, 2465, 2639, 2720, 2912, 3016, 3094, 3248, 3451, 3536, 3640, 3712, 3770, 3808, 3944, 4060, 4160, 4420, 4480, 4640, 4760, 4930, 5278, 5440, 5824, 6032, 6188, 6409, 6496, 6902, 7072, 7280, 7540, 7616, 7735, 7888, 8120, 8320, 8840, 9280, 9520, 9860, 10556, 10880, 11648, 12064, 12376, 12818, 12992, 13195, 13804, 14144, 14560, 15080, 15232, 15470, 15776, 16240, 17255, 17680, 18560, 19040, 19720, 21112, 24128, 24752, 25636, 25984, 26390, 27608, 28288, 29120, 30160, 30940, 31552, 32045, 32480, 34510, 35360, 38080, 39440, 42224, 44863, 48256, 49504, 51272, 52780, 55216, 58240, 60320, 61880, 63104, 64090, 64960, 69020, 70720, 76160, 78880, 84448, 89726, 99008, 102544, 105560, 110432, 120640, 123760, 128180, 129920, 138040, 141440, 157760, 168896, 179452, 198016, 205088, 211120, 220864, 224315, 241280, 247520, 256360, 276080, 315520, 337792, 358904, 410176, 422240, 441728, 448630, 495040, 512720, 552160, 717808, 820352, 844480, 897260, 990080, 1025440, 1104320, 1435616, 1688960, 1794520, 2050880, 2208640, 2871232, 3589040, 4101760, 5742464, 7178080, 14356160, 28712320]

約数ペア:

[(1, 28712320), (2, 14356160), (4, 7178080), (5, 5742464), (7, 4101760), (8, 3589040), (10, 2871232), (13, 2208640), (14, 2050880), (16, 1794520), (17, 1688960), (20, 1435616), (26, 1104320), (28, 1025440), (29, 990080), (32, 897260), (34, 844480), (35, 820352), (40, 717808), (52, 552160), (56, 512720), (58, 495040), (64, 448630), (65, 441728), (68, 422240), (70, 410176), (80, 358904), (85, 337792), (91, 315520), (104, 276080), (112, 256360), (116, 247520), (119, 241280), (128, 224315), (130, 220864), (136, 211120), (140, 205088), (145, 198016), (160, 179452), (170, 168896), (182, 157760), (203, 141440), (208, 138040), (221, 129920), (224, 128180), (232, 123760), (238, 120640), (260, 110432), (272, 105560), (280, 102544), (290, 99008), (320, 89726), (340, 84448), (364, 78880), (377, 76160), (406, 70720), (416, 69020), (442, 64960), (448, 64090), (455, 63104), (464, 61880), (476, 60320), (493, 58240), (520, 55216), (544, 52780), (560, 51272), (580, 49504), (595, 48256), (640, 44863), (680, 42224), (728, 39440), (754, 38080), (812, 35360), (832, 34510), (884, 32480), (896, 32045), (910, 31552), (928, 30940), (952, 30160), (986, 29120), (1015, 28288), (1040, 27608), (1088, 26390), (1105, 25984), (1120, 25636), (1160, 24752), (1190, 24128), (1360, 21112), (1456, 19720), (1508, 19040), (1547, 18560), (1624, 17680), (1664, 17255), (1768, 16240), (1820, 15776), (1856, 15470), (1885, 15232), (1904, 15080), (1972, 14560), (2030, 14144), (2080, 13804), (2176, 13195), (2210, 12992), (2240, 12818), (2320, 12376), (2380, 12064), (2465, 11648), (2639, 10880), (2720, 10556), (2912, 9860), (3016, 9520), (3094, 9280), (3248, 8840), (3451, 8320), (3536, 8120), (3640, 7888), (3712, 7735), (3770, 7616), (3808, 7540), (3944, 7280), (4060, 7072), (4160, 6902), (4420, 6496), (4480, 6409), (4640, 6188), (4760, 6032), (4930, 5824), (5278, 5440)]