81422880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 192

約数和(自身を含む): 319915008

約数和(自身を除く): 238492128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1120, 1155, 1232, 1320, 1540, 1680, 1760, 1848, 2203, 2310, 2464, 2640, 3080, 3360, 3696, 4406, 4620, 5280, 6160, 6609, 7392, 8812, 9240, 11015, 12320, 13218, 15421, 17624, 18480, 22030, 24233, 26436, 30842, 33045, 35248, 36960, 44060, 46263, 48466, 52872, 61684, 66090, 70496, 72699, 77105, 88120, 92526, 96932, 105744, 121165, 123368, 132180, 145398, 154210, 169631, 176240, 185052, 193864, 211488, 231315, 242330, 246736, 264360, 290796, 308420, 339262, 352480, 363495, 370104, 387728, 462630, 484660, 493472, 508893, 528720, 581592, 616840, 678524, 726990, 740208, 775456, 848155, 925260, 969320, 1017786, 1057440, 1163184, 1233680, 1357048, 1453980, 1480416, 1696310, 1850520, 1938640, 2035572, 2326368, 2467360, 2544465, 2714096, 2907960, 3392620, 3701040, 3877280, 4071144, 5088930, 5428192, 5815920, 6785240, 7402080, 8142288, 10177860, 11631840, 13570480, 16284576, 20355720, 27140960, 40711440, 81422880]

約数ペア:

[(1, 81422880), (2, 40711440), (3, 27140960), (4, 20355720), (5, 16284576), (6, 13570480), (7, 11631840), (8, 10177860), (10, 8142288), (11, 7402080), (12, 6785240), (14, 5815920), (15, 5428192), (16, 5088930), (20, 4071144), (21, 3877280), (22, 3701040), (24, 3392620), (28, 2907960), (30, 2714096), (32, 2544465), (33, 2467360), (35, 2326368), (40, 2035572), (42, 1938640), (44, 1850520), (48, 1696310), (55, 1480416), (56, 1453980), (60, 1357048), (66, 1233680), (70, 1163184), (77, 1057440), (80, 1017786), (84, 969320), (88, 925260), (96, 848155), (105, 775456), (110, 740208), (112, 726990), (120, 678524), (132, 616840), (140, 581592), (154, 528720), (160, 508893), (165, 493472), (168, 484660), (176, 462630), (210, 387728), (220, 370104), (224, 363495), (231, 352480), (240, 339262), (264, 308420), (280, 290796), (308, 264360), (330, 246736), (336, 242330), (352, 231315), (385, 211488), (420, 193864), (440, 185052), (462, 176240), (480, 169631), (528, 154210), (560, 145398), (616, 132180), (660, 123368), (672, 121165), (770, 105744), (840, 96932), (880, 92526), (924, 88120), (1056, 77105), (1120, 72699), (1155, 70496), (1232, 66090), (1320, 61684), (1540, 52872), (1680, 48466), (1760, 46263), (1848, 44060), (2203, 36960), (2310, 35248), (2464, 33045), (2640, 30842), (3080, 26436), (3360, 24233), (3696, 22030), (4406, 18480), (4620, 17624), (5280, 15421), (6160, 13218), (6609, 12320), (7392, 11015), (8812, 9240)]