128842880

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5441}}^1$

素因数の和:5497

約数の個数: 64

約数和(自身を含む): 316397880

約数和(自身を除く): 187555000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4736, 5441, 5920, 10882, 11840, 21764, 23680, 27205, 43528, 54410, 87056, 108820, 174112, 201317, 217640, 348224, 402634, 435280, 696448, 805268, 870560, 1006585, 1610536, 1741120, 2013170, 3221072, 3482240, 4026340, 6442144, 8052680, 12884288, 16105360, 25768576, 32210720, 64421440, 128842880]

約数ペア:

[(1, 128842880), (2, 64421440), (4, 32210720), (5, 25768576), (8, 16105360), (10, 12884288), (16, 8052680), (20, 6442144), (32, 4026340), (37, 3482240), (40, 3221072), (64, 2013170), (74, 1741120), (80, 1610536), (128, 1006585), (148, 870560), (160, 805268), (185, 696448), (296, 435280), (320, 402634), (370, 348224), (592, 217640), (640, 201317), (740, 174112), (1184, 108820), (1480, 87056), (2368, 54410), (2960, 43528), (4736, 27205), (5441, 23680), (5920, 21764), (10882, 11840)]