15700720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 44434656

約数和(自身を除く): 28733936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 53, 56, 70, 80, 92, 106, 112, 115, 140, 161, 184, 212, 230, 265, 280, 322, 368, 371, 424, 460, 529, 530, 560, 644, 742, 805, 848, 920, 1058, 1060, 1219, 1288, 1484, 1610, 1840, 1855, 2116, 2120, 2438, 2576, 2645, 2968, 3220, 3703, 3710, 4232, 4240, 4876, 5290, 5936, 6095, 6440, 7406, 7420, 8464, 8533, 9752, 10580, 12190, 12880, 14812, 14840, 17066, 18515, 19504, 21160, 24380, 28037, 29624, 29680, 34132, 37030, 42320, 42665, 48760, 56074, 59248, 68264, 74060, 85330, 97520, 112148, 136528, 140185, 148120, 170660, 196259, 224296, 280370, 296240, 341320, 392518, 448592, 560740, 682640, 785036, 981295, 1121480, 1570072, 1962590, 2242960, 3140144, 3925180, 7850360, 15700720]

約数ペア:

[(1, 15700720), (2, 7850360), (4, 3925180), (5, 3140144), (7, 2242960), (8, 1962590), (10, 1570072), (14, 1121480), (16, 981295), (20, 785036), (23, 682640), (28, 560740), (35, 448592), (40, 392518), (46, 341320), (53, 296240), (56, 280370), (70, 224296), (80, 196259), (92, 170660), (106, 148120), (112, 140185), (115, 136528), (140, 112148), (161, 97520), (184, 85330), (212, 74060), (230, 68264), (265, 59248), (280, 56074), (322, 48760), (368, 42665), (371, 42320), (424, 37030), (460, 34132), (529, 29680), (530, 29624), (560, 28037), (644, 24380), (742, 21160), (805, 19504), (848, 18515), (920, 17066), (1058, 14840), (1060, 14812), (1219, 12880), (1288, 12190), (1484, 10580), (1610, 9752), (1840, 8533), (1855, 8464), (2116, 7420), (2120, 7406), (2438, 6440), (2576, 6095), (2645, 5936), (2968, 5290), (3220, 4876), (3703, 4240), (3710, 4232)]