15485440

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 80

約数和(自身を含む): 38890368

約数和(自身を除く): 23404928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 263, 320, 368, 460, 512, 526, 640, 736, 920, 1052, 1280, 1315, 1472, 1840, 2104, 2560, 2630, 2944, 3680, 4208, 5260, 5888, 6049, 7360, 8416, 10520, 11776, 12098, 14720, 16832, 21040, 24196, 29440, 30245, 33664, 42080, 48392, 58880, 60490, 67328, 84160, 96784, 120980, 134656, 168320, 193568, 241960, 336640, 387136, 483920, 673280, 774272, 967840, 1548544, 1935680, 3097088, 3871360, 7742720, 15485440]

約数ペア:

[(1, 15485440), (2, 7742720), (4, 3871360), (5, 3097088), (8, 1935680), (10, 1548544), (16, 967840), (20, 774272), (23, 673280), (32, 483920), (40, 387136), (46, 336640), (64, 241960), (80, 193568), (92, 168320), (115, 134656), (128, 120980), (160, 96784), (184, 84160), (230, 67328), (256, 60490), (263, 58880), (320, 48392), (368, 42080), (460, 33664), (512, 30245), (526, 29440), (640, 24196), (736, 21040), (920, 16832), (1052, 14720), (1280, 12098), (1315, 11776), (1472, 10520), (1840, 8416), (2104, 7360), (2560, 6049), (2630, 5888), (2944, 5260), (3680, 4208)]