31620480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 103403520

約数和(自身を除く): 71783040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 383, 384, 430, 480, 516, 640, 645, 688, 766, 860, 960, 1032, 1149, 1290, 1376, 1532, 1720, 1915, 1920, 2064, 2298, 2580, 2752, 3064, 3440, 3830, 4128, 4596, 5160, 5504, 5745, 6128, 6880, 7660, 8256, 9192, 10320, 11490, 12256, 13760, 15320, 16469, 16512, 18384, 20640, 22980, 24512, 27520, 30640, 32938, 36768, 41280, 45960, 49024, 49407, 61280, 65876, 73536, 82345, 82560, 91920, 98814, 122560, 131752, 147072, 164690, 183840, 197628, 245120, 247035, 263504, 329380, 367680, 395256, 494070, 527008, 658760, 735360, 790512, 988140, 1054016, 1317520, 1581024, 1976280, 2108032, 2635040, 3162048, 3952560, 5270080, 6324096, 7905120, 10540160, 15810240, 31620480]

約数ペア:

[(1, 31620480), (2, 15810240), (3, 10540160), (4, 7905120), (5, 6324096), (6, 5270080), (8, 3952560), (10, 3162048), (12, 2635040), (15, 2108032), (16, 1976280), (20, 1581024), (24, 1317520), (30, 1054016), (32, 988140), (40, 790512), (43, 735360), (48, 658760), (60, 527008), (64, 494070), (80, 395256), (86, 367680), (96, 329380), (120, 263504), (128, 247035), (129, 245120), (160, 197628), (172, 183840), (192, 164690), (215, 147072), (240, 131752), (258, 122560), (320, 98814), (344, 91920), (383, 82560), (384, 82345), (430, 73536), (480, 65876), (516, 61280), (640, 49407), (645, 49024), (688, 45960), (766, 41280), (860, 36768), (960, 32938), (1032, 30640), (1149, 27520), (1290, 24512), (1376, 22980), (1532, 20640), (1720, 18384), (1915, 16512), (1920, 16469), (2064, 15320), (2298, 13760), (2580, 12256), (2752, 11490), (3064, 10320), (3440, 9192), (3830, 8256), (4128, 7660), (4596, 6880), (5160, 6128), (5504, 5745)]