1728588840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:640

約数の個数: 256

約数和(自身を含む): 6006528000

約数和(自身を除く): 4277939160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 157, 165, 190, 209, 220, 228, 264, 285, 314, 330, 380, 418, 439, 440, 456, 471, 570, 627, 628, 660, 760, 785, 836, 878, 942, 1045, 1140, 1254, 1256, 1317, 1320, 1570, 1672, 1727, 1756, 1884, 2090, 2195, 2280, 2355, 2508, 2634, 2983, 3135, 3140, 3454, 3512, 3768, 4180, 4390, 4710, 4829, 5016, 5181, 5268, 5966, 6270, 6280, 6585, 6908, 8341, 8360, 8635, 8780, 8949, 9420, 9658, 10362, 10536, 11932, 12540, 13170, 13816, 14487, 14915, 16682, 17270, 17560, 17898, 18840, 19316, 20724, 23864, 24145, 25023, 25080, 25905, 26340, 28974, 29830, 32813, 33364, 34540, 35796, 38632, 41448, 41705, 44745, 48290, 50046, 51810, 52680, 57948, 59660, 65626, 66728, 68923, 69080, 71592, 72435, 83410, 89490, 91751, 96580, 98439, 100092, 103620, 115896, 119320, 125115, 131252, 137846, 144870, 164065, 166820, 178980, 183502, 193160, 196878, 200184, 206769, 207240, 250230, 262504, 275253, 275692, 289740, 328130, 333640, 344615, 357960, 367004, 393756, 413538, 458755, 492195, 500460, 550506, 551384, 579480, 656260, 689230, 734008, 758153, 787512, 827076, 917510, 984390, 1000920, 1033845, 1101012, 1309537, 1312520, 1376265, 1378460, 1516306, 1654152, 1835020, 1968780, 2067690, 2202024, 2274459, 2619074, 2752530, 2756920, 3032612, 3670040, 3790765, 3928611, 3937560, 4135380, 4548918, 5238148, 5505060, 6065224, 6547685, 7581530, 7857222, 8270760, 9097836, 10476296, 11010120, 11372295, 13095370, 14404907, 15163060, 15714444, 18195672, 19643055, 22744590, 26190740, 28809814, 30326120, 31428888, 39286110, 43214721, 45489180, 52381480, 57619628, 72024535, 78572220, 86429442, 90978360, 115239256, 144049070, 157144440, 172858884, 216073605, 288098140, 345717768, 432147210, 576196280, 864294420, 1728588840]

約数ペア:

[(1, 1728588840), (2, 864294420), (3, 576196280), (4, 432147210), (5, 345717768), (6, 288098140), (8, 216073605), (10, 172858884), (11, 157144440), (12, 144049070), (15, 115239256), (19, 90978360), (20, 86429442), (22, 78572220), (24, 72024535), (30, 57619628), (33, 52381480), (38, 45489180), (40, 43214721), (44, 39286110), (55, 31428888), (57, 30326120), (60, 28809814), (66, 26190740), (76, 22744590), (88, 19643055), (95, 18195672), (110, 15714444), (114, 15163060), (120, 14404907), (132, 13095370), (152, 11372295), (157, 11010120), (165, 10476296), (190, 9097836), (209, 8270760), (220, 7857222), (228, 7581530), (264, 6547685), (285, 6065224), (314, 5505060), (330, 5238148), (380, 4548918), (418, 4135380), (439, 3937560), (440, 3928611), (456, 3790765), (471, 3670040), (570, 3032612), (627, 2756920), (628, 2752530), (660, 2619074), (760, 2274459), (785, 2202024), (836, 2067690), (878, 1968780), (942, 1835020), (1045, 1654152), (1140, 1516306), (1254, 1378460), (1256, 1376265), (1317, 1312520), (1320, 1309537), (1570, 1101012), (1672, 1033845), (1727, 1000920), (1756, 984390), (1884, 917510), (2090, 827076), (2195, 787512), (2280, 758153), (2355, 734008), (2508, 689230), (2634, 656260), (2983, 579480), (3135, 551384), (3140, 550506), (3454, 500460), (3512, 492195), (3768, 458755), (4180, 413538), (4390, 393756), (4710, 367004), (4829, 357960), (5016, 344615), (5181, 333640), (5268, 328130), (5966, 289740), (6270, 275692), (6280, 275253), (6585, 262504), (6908, 250230), (8341, 207240), (8360, 206769), (8635, 200184), (8780, 196878), (8949, 193160), (9420, 183502), (9658, 178980), (10362, 166820), (10536, 164065), (11932, 144870), (12540, 137846), (13170, 131252), (13816, 125115), (14487, 119320), (14915, 115896), (16682, 103620), (17270, 100092), (17560, 98439), (17898, 96580), (18840, 91751), (19316, 89490), (20724, 83410), (23864, 72435), (24145, 71592), (25023, 69080), (25080, 68923), (25905, 66728), (26340, 65626), (28974, 59660), (29830, 57948), (32813, 52680), (33364, 51810), (34540, 50046), (35796, 48290), (38632, 44745), (41448, 41705)]