181327680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:734

約数の個数: 224

約数和(自身を含む): 661294080

約数和(自身を除く): 479966400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 677, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1354, 1395, 1440, 1488, 1674, 1728, 1860, 1984, 2031, 2160, 2232, 2480, 2708, 2790, 2880, 2976, 3348, 3385, 3720, 4062, 4185, 4320, 4464, 4960, 5416, 5580, 5952, 6093, 6696, 6770, 7440, 8124, 8370, 8640, 8928, 9920, 10155, 10832, 11160, 12186, 13392, 13540, 14880, 16248, 16740, 17856, 18279, 20310, 20987, 21664, 22320, 24372, 26784, 27080, 29760, 30465, 32496, 33480, 36558, 40620, 41974, 43328, 44640, 48744, 53568, 54160, 60930, 62961, 64992, 66960, 73116, 81240, 83948, 89280, 91395, 97488, 104935, 108320, 121860, 125922, 129984, 133920, 146232, 162480, 167896, 182790, 188883, 194976, 209870, 216640, 243720, 251844, 267840, 292464, 314805, 324960, 335792, 365580, 377766, 389952, 419740, 487440, 503688, 566649, 584928, 629610, 649920, 671584, 731160, 755532, 839480, 944415, 974880, 1007376, 1133298, 1169856, 1259220, 1343168, 1462320, 1511064, 1678960, 1888830, 1949760, 2014752, 2266596, 2518440, 2833245, 2924640, 3022128, 3357920, 3777660, 4029504, 4533192, 5036880, 5666490, 5849280, 6044256, 6715840, 7555320, 9066384, 10073760, 11332980, 12088512, 15110640, 18132768, 20147520, 22665960, 30221280, 36265536, 45331920, 60442560, 90663840, 181327680]

約数ペア:

[(1, 181327680), (2, 90663840), (3, 60442560), (4, 45331920), (5, 36265536), (6, 30221280), (8, 22665960), (9, 20147520), (10, 18132768), (12, 15110640), (15, 12088512), (16, 11332980), (18, 10073760), (20, 9066384), (24, 7555320), (27, 6715840), (30, 6044256), (31, 5849280), (32, 5666490), (36, 5036880), (40, 4533192), (45, 4029504), (48, 3777660), (54, 3357920), (60, 3022128), (62, 2924640), (64, 2833245), (72, 2518440), (80, 2266596), (90, 2014752), (93, 1949760), (96, 1888830), (108, 1678960), (120, 1511064), (124, 1462320), (135, 1343168), (144, 1259220), (155, 1169856), (160, 1133298), (180, 1007376), (186, 974880), (192, 944415), (216, 839480), (240, 755532), (248, 731160), (270, 671584), (279, 649920), (288, 629610), (310, 584928), (320, 566649), (360, 503688), (372, 487440), (432, 419740), (465, 389952), (480, 377766), (496, 365580), (540, 335792), (558, 324960), (576, 314805), (620, 292464), (677, 267840), (720, 251844), (744, 243720), (837, 216640), (864, 209870), (930, 194976), (960, 188883), (992, 182790), (1080, 167896), (1116, 162480), (1240, 146232), (1354, 133920), (1395, 129984), (1440, 125922), (1488, 121860), (1674, 108320), (1728, 104935), (1860, 97488), (1984, 91395), (2031, 89280), (2160, 83948), (2232, 81240), (2480, 73116), (2708, 66960), (2790, 64992), (2880, 62961), (2976, 60930), (3348, 54160), (3385, 53568), (3720, 48744), (4062, 44640), (4185, 43328), (4320, 41974), (4464, 40620), (4960, 36558), (5416, 33480), (5580, 32496), (5952, 30465), (6093, 29760), (6696, 27080), (6770, 26784), (7440, 24372), (8124, 22320), (8370, 21664), (8640, 20987), (8928, 20310), (9920, 18279), (10155, 17856), (10832, 16740), (11160, 16248), (12186, 14880), (13392, 13540)]