87928280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 223791120

約数和(自身を除く): 135862840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 121, 148, 185, 220, 242, 296, 370, 407, 440, 484, 491, 605, 740, 814, 968, 982, 1210, 1480, 1628, 1964, 2035, 2420, 2455, 3256, 3928, 4070, 4477, 4840, 4910, 5401, 8140, 8954, 9820, 10802, 16280, 17908, 18167, 19640, 21604, 22385, 27005, 35816, 36334, 43208, 44770, 54010, 59411, 72668, 89540, 90835, 108020, 118822, 145336, 179080, 181670, 199837, 216040, 237644, 297055, 363340, 399674, 475288, 594110, 726680, 799348, 999185, 1188220, 1598696, 1998370, 2198207, 2376440, 3996740, 4396414, 7993480, 8792828, 10991035, 17585656, 21982070, 43964140, 87928280]

約数ペア:

[(1, 87928280), (2, 43964140), (4, 21982070), (5, 17585656), (8, 10991035), (10, 8792828), (11, 7993480), (20, 4396414), (22, 3996740), (37, 2376440), (40, 2198207), (44, 1998370), (55, 1598696), (74, 1188220), (88, 999185), (110, 799348), (121, 726680), (148, 594110), (185, 475288), (220, 399674), (242, 363340), (296, 297055), (370, 237644), (407, 216040), (440, 199837), (484, 181670), (491, 179080), (605, 145336), (740, 118822), (814, 108020), (968, 90835), (982, 89540), (1210, 72668), (1480, 59411), (1628, 54010), (1964, 44770), (2035, 43208), (2420, 36334), (2455, 35816), (3256, 27005), (3928, 22385), (4070, 21604), (4477, 19640), (4840, 18167), (4910, 17908), (5401, 16280), (8140, 10802), (8954, 9820)]