16131280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 26615984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 797, 880, 920, 1012, 1265, 1594, 1840, 2024, 2530, 3188, 3985, 4048, 5060, 6376, 7970, 8767, 10120, 12752, 15940, 17534, 18331, 20240, 31880, 35068, 36662, 43835, 63760, 70136, 73324, 87670, 91655, 140272, 146648, 175340, 183310, 201641, 293296, 350680, 366620, 403282, 701360, 733240, 806564, 1008205, 1466480, 1613128, 2016410, 3226256, 4032820, 8065640, 16131280]

約数ペア:

[(1, 16131280), (2, 8065640), (4, 4032820), (5, 3226256), (8, 2016410), (10, 1613128), (11, 1466480), (16, 1008205), (20, 806564), (22, 733240), (23, 701360), (40, 403282), (44, 366620), (46, 350680), (55, 293296), (80, 201641), (88, 183310), (92, 175340), (110, 146648), (115, 140272), (176, 91655), (184, 87670), (220, 73324), (230, 70136), (253, 63760), (368, 43835), (440, 36662), (460, 35068), (506, 31880), (797, 20240), (880, 18331), (920, 17534), (1012, 15940), (1265, 12752), (1594, 10120), (1840, 8767), (2024, 7970), (2530, 6376), (3188, 5060), (3985, 4048)]