145085440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 88

約数和(自身を含む): 356669280

約数和(自身を除く): 211583840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 659, 688, 860, 1024, 1280, 1318, 1376, 1720, 2560, 2636, 2752, 3295, 3440, 5120, 5272, 5504, 6590, 6880, 10544, 11008, 13180, 13760, 21088, 22016, 26360, 27520, 28337, 42176, 44032, 52720, 55040, 56674, 84352, 105440, 110080, 113348, 141685, 168704, 210880, 220160, 226696, 283370, 337408, 421760, 453392, 566740, 674816, 843520, 906784, 1133480, 1687040, 1813568, 2266960, 3374080, 3627136, 4533920, 7254272, 9067840, 14508544, 18135680, 29017088, 36271360, 72542720, 145085440]

約数ペア:

[(1, 145085440), (2, 72542720), (4, 36271360), (5, 29017088), (8, 18135680), (10, 14508544), (16, 9067840), (20, 7254272), (32, 4533920), (40, 3627136), (43, 3374080), (64, 2266960), (80, 1813568), (86, 1687040), (128, 1133480), (160, 906784), (172, 843520), (215, 674816), (256, 566740), (320, 453392), (344, 421760), (430, 337408), (512, 283370), (640, 226696), (659, 220160), (688, 210880), (860, 168704), (1024, 141685), (1280, 113348), (1318, 110080), (1376, 105440), (1720, 84352), (2560, 56674), (2636, 55040), (2752, 52720), (3295, 44032), (3440, 42176), (5120, 28337), (5272, 27520), (5504, 26360), (6590, 22016), (6880, 21088), (10544, 13760), (11008, 13180)]