1647200

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 4218480

約数和(自身を除く): 2571280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 71, 80, 100, 116, 142, 145, 160, 200, 232, 284, 290, 355, 400, 464, 568, 580, 710, 725, 800, 928, 1136, 1160, 1420, 1450, 1775, 2059, 2272, 2320, 2840, 2900, 3550, 4118, 4640, 5680, 5800, 7100, 8236, 10295, 11360, 11600, 14200, 16472, 20590, 23200, 28400, 32944, 41180, 51475, 56800, 65888, 82360, 102950, 164720, 205900, 329440, 411800, 823600, 1647200]

約数ペア:

[(1, 1647200), (2, 823600), (4, 411800), (5, 329440), (8, 205900), (10, 164720), (16, 102950), (20, 82360), (25, 65888), (29, 56800), (32, 51475), (40, 41180), (50, 32944), (58, 28400), (71, 23200), (80, 20590), (100, 16472), (116, 14200), (142, 11600), (145, 11360), (160, 10295), (200, 8236), (232, 7100), (284, 5800), (290, 5680), (355, 4640), (400, 4118), (464, 3550), (568, 2900), (580, 2840), (710, 2320), (725, 2272), (800, 2059), (928, 1775), (1136, 1450), (1160, 1420)]