18945120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1361}}^1$

素因数の和:1408

約数の個数: 96

約数和(自身を含む): 61780320

約数和(自身を除く): 42835200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 80, 87, 96, 116, 120, 145, 160, 174, 232, 240, 290, 348, 435, 464, 480, 580, 696, 870, 928, 1160, 1361, 1392, 1740, 2320, 2722, 2784, 3480, 4083, 4640, 5444, 6805, 6960, 8166, 10888, 13610, 13920, 16332, 20415, 21776, 27220, 32664, 39469, 40830, 43552, 54440, 65328, 78938, 81660, 108880, 118407, 130656, 157876, 163320, 197345, 217760, 236814, 315752, 326640, 394690, 473628, 592035, 631504, 653280, 789380, 947256, 1184070, 1263008, 1578760, 1894512, 2368140, 3157520, 3789024, 4736280, 6315040, 9472560, 18945120]

約数ペア:

[(1, 18945120), (2, 9472560), (3, 6315040), (4, 4736280), (5, 3789024), (6, 3157520), (8, 2368140), (10, 1894512), (12, 1578760), (15, 1263008), (16, 1184070), (20, 947256), (24, 789380), (29, 653280), (30, 631504), (32, 592035), (40, 473628), (48, 394690), (58, 326640), (60, 315752), (80, 236814), (87, 217760), (96, 197345), (116, 163320), (120, 157876), (145, 130656), (160, 118407), (174, 108880), (232, 81660), (240, 78938), (290, 65328), (348, 54440), (435, 43552), (464, 40830), (480, 39469), (580, 32664), (696, 27220), (870, 21776), (928, 20415), (1160, 16332), (1361, 13920), (1392, 13610), (1740, 10888), (2320, 8166), (2722, 6960), (2784, 6805), (3480, 5444), (4083, 4640)]