17993920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 50840640

約数和(自身を除く): 32846720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 277, 280, 290, 320, 406, 448, 464, 554, 560, 580, 812, 928, 1015, 1108, 1120, 1160, 1385, 1624, 1856, 1939, 2030, 2216, 2240, 2320, 2770, 3248, 3878, 4060, 4432, 4640, 5540, 6496, 7756, 8033, 8120, 8864, 9280, 9695, 11080, 12992, 15512, 16066, 16240, 17728, 19390, 22160, 31024, 32132, 32480, 38780, 40165, 44320, 56231, 62048, 64264, 64960, 77560, 80330, 88640, 112462, 124096, 128528, 155120, 160660, 224924, 257056, 281155, 310240, 321320, 449848, 514112, 562310, 620480, 642640, 899696, 1124620, 1285280, 1799392, 2249240, 2570560, 3598784, 4498480, 8996960, 17993920]

約数ペア:

[(1, 17993920), (2, 8996960), (4, 4498480), (5, 3598784), (7, 2570560), (8, 2249240), (10, 1799392), (14, 1285280), (16, 1124620), (20, 899696), (28, 642640), (29, 620480), (32, 562310), (35, 514112), (40, 449848), (56, 321320), (58, 310240), (64, 281155), (70, 257056), (80, 224924), (112, 160660), (116, 155120), (140, 128528), (145, 124096), (160, 112462), (203, 88640), (224, 80330), (232, 77560), (277, 64960), (280, 64264), (290, 62048), (320, 56231), (406, 44320), (448, 40165), (464, 38780), (554, 32480), (560, 32132), (580, 31024), (812, 22160), (928, 19390), (1015, 17728), (1108, 16240), (1120, 16066), (1160, 15512), (1385, 12992), (1624, 11080), (1856, 9695), (1939, 9280), (2030, 8864), (2216, 8120), (2240, 8033), (2320, 7756), (2770, 6496), (3248, 5540), (3878, 4640), (4060, 4432)]