21385084320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{13789}}^1$

素因数の和:14172

約数の個数: 192

約数和(自身を含む): 75061728000

約数和(自身を除く): 53676643680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 359, 360, 432, 480, 540, 718, 720, 864, 1077, 1080, 1436, 1440, 1795, 2154, 2160, 2872, 3231, 3590, 4308, 4320, 5385, 5744, 6462, 7180, 8616, 9693, 10770, 11488, 12924, 13789, 14360, 16155, 17232, 19386, 21540, 25848, 27578, 28720, 32310, 34464, 38772, 41367, 43080, 48465, 51696, 55156, 57440, 64620, 68945, 77544, 82734, 86160, 96930, 103392, 110312, 124101, 129240, 137890, 155088, 165468, 172320, 193860, 206835, 220624, 248202, 258480, 275780, 310176, 330936, 372303, 387720, 413670, 441248, 496404, 516960, 551560, 620505, 661872, 744606, 775440, 827340, 992808, 1103120, 1241010, 1323744, 1489212, 1550880, 1654680, 1861515, 1985616, 2206240, 2482020, 2978424, 3309360, 3723030, 3971232, 4950251, 4964040, 5956848, 6618720, 7446060, 9900502, 9928080, 11913696, 14850753, 14892120, 19801004, 19856160, 24751255, 29701506, 29784240, 39602008, 44552259, 49502510, 59403012, 59568480, 74253765, 79204016, 89104518, 99005020, 118806024, 133656777, 148507530, 158408032, 178209036, 198010040, 222761295, 237612048, 267313554, 297015060, 356418072, 396020080, 445522590, 475224096, 534627108, 594030120, 668283885, 712836144, 792040160, 891045180, 1069254216, 1188060240, 1336567770, 1425672288, 1782090360, 2138508432, 2376120480, 2673135540, 3564180720, 4277016864, 5346271080, 7128361440, 10692542160, 21385084320]

約数ペア:

[(1, 21385084320), (2, 10692542160), (3, 7128361440), (4, 5346271080), (5, 4277016864), (6, 3564180720), (8, 2673135540), (9, 2376120480), (10, 2138508432), (12, 1782090360), (15, 1425672288), (16, 1336567770), (18, 1188060240), (20, 1069254216), (24, 891045180), (27, 792040160), (30, 712836144), (32, 668283885), (36, 594030120), (40, 534627108), (45, 475224096), (48, 445522590), (54, 396020080), (60, 356418072), (72, 297015060), (80, 267313554), (90, 237612048), (96, 222761295), (108, 198010040), (120, 178209036), (135, 158408032), (144, 148507530), (160, 133656777), (180, 118806024), (216, 99005020), (240, 89104518), (270, 79204016), (288, 74253765), (359, 59568480), (360, 59403012), (432, 49502510), (480, 44552259), (540, 39602008), (718, 29784240), (720, 29701506), (864, 24751255), (1077, 19856160), (1080, 19801004), (1436, 14892120), (1440, 14850753), (1795, 11913696), (2154, 9928080), (2160, 9900502), (2872, 7446060), (3231, 6618720), (3590, 5956848), (4308, 4964040), (4320, 4950251), (5385, 3971232), (5744, 3723030), (6462, 3309360), (7180, 2978424), (8616, 2482020), (9693, 2206240), (10770, 1985616), (11488, 1861515), (12924, 1654680), (13789, 1550880), (14360, 1489212), (16155, 1323744), (17232, 1241010), (19386, 1103120), (21540, 992808), (25848, 827340), (27578, 775440), (28720, 744606), (32310, 661872), (34464, 620505), (38772, 551560), (41367, 516960), (43080, 496404), (48465, 441248), (51696, 413670), (55156, 387720), (57440, 372303), (64620, 330936), (68945, 310176), (77544, 275780), (82734, 258480), (86160, 248202), (96930, 220624), (103392, 206835), (110312, 193860), (124101, 172320), (129240, 165468), (137890, 155088)]