71664320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:167

約数の個数: 224

約数和(自身を含む): 221211648

約数和(自身を除く): 149547328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 107, 112, 115, 130, 140, 160, 161, 182, 184, 208, 214, 224, 230, 260, 280, 299, 320, 322, 364, 368, 416, 428, 448, 455, 460, 520, 535, 560, 598, 644, 728, 736, 749, 805, 832, 856, 910, 920, 1040, 1070, 1120, 1196, 1288, 1391, 1456, 1472, 1495, 1498, 1610, 1712, 1820, 1840, 2080, 2093, 2140, 2240, 2392, 2461, 2576, 2782, 2912, 2990, 2996, 3220, 3424, 3640, 3680, 3745, 4160, 4186, 4280, 4784, 4922, 5152, 5564, 5824, 5980, 5992, 6440, 6848, 6955, 7280, 7360, 7490, 8372, 8560, 9568, 9737, 9844, 10304, 10465, 11128, 11960, 11984, 12305, 12880, 13910, 14560, 14980, 16744, 17120, 17227, 19136, 19474, 19688, 20930, 22256, 23920, 23968, 24610, 25760, 27820, 29120, 29960, 31993, 33488, 34240, 34454, 38948, 39376, 41860, 44512, 47840, 47936, 48685, 49220, 51520, 55640, 59920, 63986, 66976, 68908, 77896, 78752, 83720, 86135, 89024, 95680, 97370, 98440, 111280, 119840, 127972, 133952, 137816, 155792, 157504, 159965, 167440, 172270, 194740, 196880, 222560, 223951, 239680, 255944, 275632, 311584, 319930, 334880, 344540, 389480, 393760, 445120, 447902, 511888, 551264, 623168, 639860, 669760, 689080, 778960, 787520, 895804, 1023776, 1102528, 1119755, 1279720, 1378160, 1557920, 1791608, 2047552, 2239510, 2559440, 2756320, 3115840, 3583216, 4479020, 5118880, 5512640, 7166432, 8958040, 10237760, 14332864, 17916080, 35832160, 71664320]

約数ペア:

[(1, 71664320), (2, 35832160), (4, 17916080), (5, 14332864), (7, 10237760), (8, 8958040), (10, 7166432), (13, 5512640), (14, 5118880), (16, 4479020), (20, 3583216), (23, 3115840), (26, 2756320), (28, 2559440), (32, 2239510), (35, 2047552), (40, 1791608), (46, 1557920), (52, 1378160), (56, 1279720), (64, 1119755), (65, 1102528), (70, 1023776), (80, 895804), (91, 787520), (92, 778960), (104, 689080), (107, 669760), (112, 639860), (115, 623168), (130, 551264), (140, 511888), (160, 447902), (161, 445120), (182, 393760), (184, 389480), (208, 344540), (214, 334880), (224, 319930), (230, 311584), (260, 275632), (280, 255944), (299, 239680), (320, 223951), (322, 222560), (364, 196880), (368, 194740), (416, 172270), (428, 167440), (448, 159965), (455, 157504), (460, 155792), (520, 137816), (535, 133952), (560, 127972), (598, 119840), (644, 111280), (728, 98440), (736, 97370), (749, 95680), (805, 89024), (832, 86135), (856, 83720), (910, 78752), (920, 77896), (1040, 68908), (1070, 66976), (1120, 63986), (1196, 59920), (1288, 55640), (1391, 51520), (1456, 49220), (1472, 48685), (1495, 47936), (1498, 47840), (1610, 44512), (1712, 41860), (1820, 39376), (1840, 38948), (2080, 34454), (2093, 34240), (2140, 33488), (2240, 31993), (2392, 29960), (2461, 29120), (2576, 27820), (2782, 25760), (2912, 24610), (2990, 23968), (2996, 23920), (3220, 22256), (3424, 20930), (3640, 19688), (3680, 19474), (3745, 19136), (4160, 17227), (4186, 17120), (4280, 16744), (4784, 14980), (4922, 14560), (5152, 13910), (5564, 12880), (5824, 12305), (5980, 11984), (5992, 11960), (6440, 11128), (6848, 10465), (6955, 10304), (7280, 9844), (7360, 9737), (7490, 9568), (8372, 8560)]