31018240

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2203}}^1$

素因数の和:2235

約数の個数: 72

約数和(自身を含む): 81089568

約数和(自身を除く): 50071328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2203, 2816, 3520, 4406, 7040, 8812, 11015, 14080, 17624, 22030, 24233, 35248, 44060, 48466, 70496, 88120, 96932, 121165, 140992, 176240, 193864, 242330, 281984, 352480, 387728, 484660, 563968, 704960, 775456, 969320, 1409920, 1550912, 1938640, 2819840, 3101824, 3877280, 6203648, 7754560, 15509120, 31018240]

約数ペア:

[(1, 31018240), (2, 15509120), (4, 7754560), (5, 6203648), (8, 3877280), (10, 3101824), (11, 2819840), (16, 1938640), (20, 1550912), (22, 1409920), (32, 969320), (40, 775456), (44, 704960), (55, 563968), (64, 484660), (80, 387728), (88, 352480), (110, 281984), (128, 242330), (160, 193864), (176, 176240), (220, 140992), (256, 121165), (320, 96932), (352, 88120), (440, 70496), (640, 48466), (704, 44060), (880, 35248), (1280, 24233), (1408, 22030), (1760, 17624), (2203, 14080), (2816, 11015), (3520, 8812), (4406, 7040)]