28813440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:414

約数の個数: 128

約数和(自身を含む): 94248000

約数和(自身を除く): 65434560

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, 349, 384, 430, 480, 516, 640, 645, 688, 698, 860, 960, 1032, 1047, 1290, 1376, 1396, 1720, 1745, 1920, 2064, 2094, 2580, 2752, 2792, 3440, 3490, 4128, 4188, 5160, 5235, 5504, 5584, 6880, 6980, 8256, 8376, 10320, 10470, 11168, 13760, 13960, 15007, 16512, 16752, 20640, 20940, 22336, 27520, 27920, 30014, 33504, 41280, 41880, 44672, 45021, 55840, 60028, 67008, 75035, 82560, 83760, 90042, 111680, 120056, 134016, 150070, 167520, 180084, 223360, 225105, 240112, 300140, 335040, 360168, 450210, 480224, 600280, 670080, 720336, 900420, 960448, 1200560, 1440672, 1800840, 1920896, 2401120, 2881344, 3601680, 4802240, 5762688, 7203360, 9604480, 14406720, 28813440]

約数ペア:

[(1, 28813440), (2, 14406720), (3, 9604480), (4, 7203360), (5, 5762688), (6, 4802240), (8, 3601680), (10, 2881344), (12, 2401120), (15, 1920896), (16, 1800840), (20, 1440672), (24, 1200560), (30, 960448), (32, 900420), (40, 720336), (43, 670080), (48, 600280), (60, 480224), (64, 450210), (80, 360168), (86, 335040), (96, 300140), (120, 240112), (128, 225105), (129, 223360), (160, 180084), (172, 167520), (192, 150070), (215, 134016), (240, 120056), (258, 111680), (320, 90042), (344, 83760), (349, 82560), (384, 75035), (430, 67008), (480, 60028), (516, 55840), (640, 45021), (645, 44672), (688, 41880), (698, 41280), (860, 33504), (960, 30014), (1032, 27920), (1047, 27520), (1290, 22336), (1376, 20940), (1396, 20640), (1720, 16752), (1745, 16512), (1920, 15007), (2064, 13960), (2094, 13760), (2580, 11168), (2752, 10470), (2792, 10320), (3440, 8376), (3490, 8256), (4128, 6980), (4188, 6880), (5160, 5584), (5235, 5504)]