686720

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 1744200

約数和(自身を除く): 1057480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 160, 185, 232, 290, 296, 320, 370, 464, 580, 592, 640, 740, 928, 1073, 1160, 1184, 1480, 1856, 2146, 2320, 2368, 2960, 3712, 4292, 4640, 4736, 5365, 5920, 8584, 9280, 10730, 11840, 17168, 18560, 21460, 23680, 34336, 42920, 68672, 85840, 137344, 171680, 343360, 686720]

約数ペア:

[(1, 686720), (2, 343360), (4, 171680), (5, 137344), (8, 85840), (10, 68672), (16, 42920), (20, 34336), (29, 23680), (32, 21460), (37, 18560), (40, 17168), (58, 11840), (64, 10730), (74, 9280), (80, 8584), (116, 5920), (128, 5365), (145, 4736), (148, 4640), (160, 4292), (185, 3712), (232, 2960), (290, 2368), (296, 2320), (320, 2146), (370, 1856), (464, 1480), (580, 1184), (592, 1160), (640, 1073), (740, 928)]