15679968640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:318

約数の個数: 288

約数和(自身を含む): 45368735040

約数和(自身を除く): 29688766400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 127, 128, 140, 155, 160, 196, 217, 224, 245, 248, 254, 280, 310, 320, 392, 434, 448, 490, 496, 508, 560, 620, 635, 640, 784, 868, 889, 896, 980, 992, 1016, 1085, 1120, 1240, 1270, 1519, 1568, 1736, 1778, 1960, 1984, 2032, 2170, 2240, 2480, 2540, 3038, 3136, 3472, 3556, 3920, 3937, 3968, 4064, 4340, 4445, 4480, 4960, 5080, 6076, 6223, 6272, 6944, 7112, 7595, 7840, 7874, 8128, 8680, 8890, 9920, 10160, 12152, 12446, 13888, 14224, 15190, 15680, 15748, 16129, 16256, 17360, 17780, 19685, 19840, 20320, 24304, 24892, 27559, 27776, 28448, 30380, 31115, 31360, 31496, 32258, 34720, 35560, 39370, 40640, 48608, 49784, 55118, 56896, 60760, 62230, 62992, 64516, 69440, 71120, 78740, 80645, 81280, 97216, 99568, 110236, 112903, 113792, 121520, 124460, 125984, 129032, 137795, 138880, 142240, 157480, 161290, 192913, 194432, 199136, 220472, 225806, 243040, 248920, 251968, 258064, 275590, 284480, 314960, 322580, 385826, 398272, 440944, 451612, 486080, 497840, 499999, 503936, 516128, 551180, 564515, 568960, 629920, 645160, 771652, 790321, 796544, 881888, 903224, 964565, 972160, 995680, 999998, 1032256, 1102360, 1129030, 1259840, 1290320, 1543304, 1580642, 1763776, 1806448, 1929130, 1991360, 1999996, 2064512, 2204720, 2258060, 2499995, 2519680, 2580640, 3086608, 3161284, 3499993, 3527552, 3612896, 3858260, 3951605, 3982720, 3999992, 4409440, 4516120, 4999990, 5161280, 6173216, 6322568, 6999986, 7225792, 7716520, 7903210, 7999984, 8818880, 9032240, 9999980, 10322560, 12346432, 12645136, 13999972, 14451584, 15433040, 15806420, 15999968, 17499965, 17637760, 18064480, 19999960, 24499951, 24692864, 25290272, 27999944, 30866080, 31612840, 31999936, 34999930, 36128960, 39999920, 48999902, 50580544, 55999888, 61732160, 63225680, 63999872, 69999860, 72257920, 79999840, 97999804, 101161088, 111999776, 122499755, 123464320, 126451360, 139999720, 159999680, 195999608, 223999552, 244999510, 252902720, 279999440, 319999360, 391999216, 447999104, 489999020, 505805440, 559998880, 783998432, 979998040, 1119997760, 1567996864, 1959996080, 2239995520, 3135993728, 3919992160, 7839984320, 15679968640]

約数ペア:

[(1, 15679968640), (2, 7839984320), (4, 3919992160), (5, 3135993728), (7, 2239995520), (8, 1959996080), (10, 1567996864), (14, 1119997760), (16, 979998040), (20, 783998432), (28, 559998880), (31, 505805440), (32, 489999020), (35, 447999104), (40, 391999216), (49, 319999360), (56, 279999440), (62, 252902720), (64, 244999510), (70, 223999552), (80, 195999608), (98, 159999680), (112, 139999720), (124, 126451360), (127, 123464320), (128, 122499755), (140, 111999776), (155, 101161088), (160, 97999804), (196, 79999840), (217, 72257920), (224, 69999860), (245, 63999872), (248, 63225680), (254, 61732160), (280, 55999888), (310, 50580544), (320, 48999902), (392, 39999920), (434, 36128960), (448, 34999930), (490, 31999936), (496, 31612840), (508, 30866080), (560, 27999944), (620, 25290272), (635, 24692864), (640, 24499951), (784, 19999960), (868, 18064480), (889, 17637760), (896, 17499965), (980, 15999968), (992, 15806420), (1016, 15433040), (1085, 14451584), (1120, 13999972), (1240, 12645136), (1270, 12346432), (1519, 10322560), (1568, 9999980), (1736, 9032240), (1778, 8818880), (1960, 7999984), (1984, 7903210), (2032, 7716520), (2170, 7225792), (2240, 6999986), (2480, 6322568), (2540, 6173216), (3038, 5161280), (3136, 4999990), (3472, 4516120), (3556, 4409440), (3920, 3999992), (3937, 3982720), (3968, 3951605), (4064, 3858260), (4340, 3612896), (4445, 3527552), (4480, 3499993), (4960, 3161284), (5080, 3086608), (6076, 2580640), (6223, 2519680), (6272, 2499995), (6944, 2258060), (7112, 2204720), (7595, 2064512), (7840, 1999996), (7874, 1991360), (8128, 1929130), (8680, 1806448), (8890, 1763776), (9920, 1580642), (10160, 1543304), (12152, 1290320), (12446, 1259840), (13888, 1129030), (14224, 1102360), (15190, 1032256), (15680, 999998), (15748, 995680), (16129, 972160), (16256, 964565), (17360, 903224), (17780, 881888), (19685, 796544), (19840, 790321), (20320, 771652), (24304, 645160), (24892, 629920), (27559, 568960), (27776, 564515), (28448, 551180), (30380, 516128), (31115, 503936), (31360, 499999), (31496, 497840), (32258, 486080), (34720, 451612), (35560, 440944), (39370, 398272), (40640, 385826), (48608, 322580), (49784, 314960), (55118, 284480), (56896, 275590), (60760, 258064), (62230, 251968), (62992, 248920), (64516, 243040), (69440, 225806), (71120, 220472), (78740, 199136), (80645, 194432), (81280, 192913), (97216, 161290), (99568, 157480), (110236, 142240), (112903, 138880), (113792, 137795), (121520, 129032), (124460, 125984)]