128180880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 200

約数和(自身を含む): 451560384

約数和(自身を除く): 323379504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 131, 135, 144, 151, 162, 180, 216, 240, 262, 270, 302, 324, 360, 393, 405, 432, 453, 524, 540, 604, 648, 655, 720, 755, 786, 810, 906, 1048, 1080, 1179, 1208, 1296, 1310, 1359, 1510, 1572, 1620, 1812, 1965, 2096, 2160, 2265, 2358, 2416, 2620, 2718, 3020, 3144, 3240, 3537, 3624, 3930, 4077, 4530, 4716, 5240, 5436, 5895, 6040, 6288, 6480, 6795, 7074, 7248, 7860, 8154, 9060, 9432, 10480, 10611, 10872, 11790, 12080, 12231, 13590, 14148, 15720, 16308, 17685, 18120, 18864, 19781, 20385, 21222, 21744, 23580, 24462, 27180, 28296, 31440, 32616, 35370, 36240, 39562, 40770, 42444, 47160, 48924, 53055, 54360, 56592, 59343, 61155, 65232, 70740, 79124, 81540, 84888, 94320, 97848, 98905, 106110, 108720, 118686, 122310, 141480, 158248, 163080, 169776, 178029, 195696, 197810, 212220, 237372, 244620, 282960, 296715, 316496, 326160, 356058, 395620, 424440, 474744, 489240, 534087, 593430, 712116, 791240, 848880, 890145, 949488, 978480, 1068174, 1186860, 1424232, 1582480, 1602261, 1780290, 2136348, 2373720, 2670435, 2848464, 3204522, 3560580, 4272696, 4747440, 5340870, 6409044, 7121160, 8011305, 8545392, 10681740, 12818088, 14242320, 16022610, 21363480, 25636176, 32045220, 42726960, 64090440, 128180880]

約数ペア:

[(1, 128180880), (2, 64090440), (3, 42726960), (4, 32045220), (5, 25636176), (6, 21363480), (8, 16022610), (9, 14242320), (10, 12818088), (12, 10681740), (15, 8545392), (16, 8011305), (18, 7121160), (20, 6409044), (24, 5340870), (27, 4747440), (30, 4272696), (36, 3560580), (40, 3204522), (45, 2848464), (48, 2670435), (54, 2373720), (60, 2136348), (72, 1780290), (80, 1602261), (81, 1582480), (90, 1424232), (108, 1186860), (120, 1068174), (131, 978480), (135, 949488), (144, 890145), (151, 848880), (162, 791240), (180, 712116), (216, 593430), (240, 534087), (262, 489240), (270, 474744), (302, 424440), (324, 395620), (360, 356058), (393, 326160), (405, 316496), (432, 296715), (453, 282960), (524, 244620), (540, 237372), (604, 212220), (648, 197810), (655, 195696), (720, 178029), (755, 169776), (786, 163080), (810, 158248), (906, 141480), (1048, 122310), (1080, 118686), (1179, 108720), (1208, 106110), (1296, 98905), (1310, 97848), (1359, 94320), (1510, 84888), (1572, 81540), (1620, 79124), (1812, 70740), (1965, 65232), (2096, 61155), (2160, 59343), (2265, 56592), (2358, 54360), (2416, 53055), (2620, 48924), (2718, 47160), (3020, 42444), (3144, 40770), (3240, 39562), (3537, 36240), (3624, 35370), (3930, 32616), (4077, 31440), (4530, 28296), (4716, 27180), (5240, 24462), (5436, 23580), (5895, 21744), (6040, 21222), (6288, 20385), (6480, 19781), (6795, 18864), (7074, 18120), (7248, 17685), (7860, 16308), (8154, 15720), (9060, 14148), (9432, 13590), (10480, 12231), (10611, 12080), (10872, 11790)]