78788325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1949}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 165391200

約数和(自身を除く): 86602875

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 525, 539, 735, 825, 1155, 1225, 1617, 1925, 1949, 2695, 3675, 5775, 5847, 8085, 9745, 13475, 13643, 21439, 29235, 40425, 40929, 48725, 64317, 68215, 95501, 107195, 146175, 150073, 204645, 286503, 321585, 341075, 450219, 477505, 535975, 750365, 1023225, 1050511, 1432515, 1607925, 2251095, 2387525, 3151533, 3751825, 5252555, 7162575, 11255475, 15757665, 26262775, 78788325]

約数ペア:

[(1, 78788325), (3, 26262775), (5, 15757665), (7, 11255475), (11, 7162575), (15, 5252555), (21, 3751825), (25, 3151533), (33, 2387525), (35, 2251095), (49, 1607925), (55, 1432515), (75, 1050511), (77, 1023225), (105, 750365), (147, 535975), (165, 477505), (175, 450219), (231, 341075), (245, 321585), (275, 286503), (385, 204645), (525, 150073), (539, 146175), (735, 107195), (825, 95501), (1155, 68215), (1225, 64317), (1617, 48725), (1925, 40929), (1949, 40425), (2695, 29235), (3675, 21439), (5775, 13643), (5847, 13475), (8085, 9745)]