1248587775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 2478508032

約数和(自身を除く): 1229920257

約数列:

[1, 3, 5, 9, 15, 23, 25, 31, 43, 45, 69, 75, 93, 115, 129, 155, 181, 207, 215, 225, 279, 345, 387, 465, 543, 575, 645, 713, 775, 905, 989, 1035, 1075, 1333, 1395, 1629, 1725, 1935, 2139, 2325, 2715, 2967, 3225, 3565, 3999, 4163, 4525, 4945, 5175, 5611, 6417, 6665, 6975, 7783, 8145, 8901, 9675, 10695, 11997, 12489, 13575, 14835, 16833, 17825, 19995, 20815, 23349, 24725, 28055, 30659, 32085, 33325, 37467, 38915, 40725, 44505, 50499, 53475, 59985, 62445, 70047, 74175, 84165, 91977, 99975, 104075, 116745, 129053, 140275, 153295, 160425, 179009, 187335, 194575, 222525, 241273, 252495, 275931, 299925, 312225, 350235, 387159, 420825, 459885, 537027, 583725, 645265, 723819, 766475, 895045, 936675, 1161477, 1206365, 1262475, 1379655, 1611081, 1751175, 1935795, 2171457, 2299425, 2685135, 3226325, 3619095, 4475225, 5549279, 5807385, 6031825, 6898275, 8055405, 9678975, 10857285, 13425675, 16647837, 18095475, 27746395, 29036925, 40277025, 49943511, 54286425, 83239185, 138731975, 249717555, 416195925, 1248587775]

約数ペア:

[(1, 1248587775), (3, 416195925), (5, 249717555), (9, 138731975), (15, 83239185), (23, 54286425), (25, 49943511), (31, 40277025), (43, 29036925), (45, 27746395), (69, 18095475), (75, 16647837), (93, 13425675), (115, 10857285), (129, 9678975), (155, 8055405), (181, 6898275), (207, 6031825), (215, 5807385), (225, 5549279), (279, 4475225), (345, 3619095), (387, 3226325), (465, 2685135), (543, 2299425), (575, 2171457), (645, 1935795), (713, 1751175), (775, 1611081), (905, 1379655), (989, 1262475), (1035, 1206365), (1075, 1161477), (1333, 936675), (1395, 895045), (1629, 766475), (1725, 723819), (1935, 645265), (2139, 583725), (2325, 537027), (2715, 459885), (2967, 420825), (3225, 387159), (3565, 350235), (3999, 312225), (4163, 299925), (4525, 275931), (4945, 252495), (5175, 241273), (5611, 222525), (6417, 194575), (6665, 187335), (6975, 179009), (7783, 160425), (8145, 153295), (8901, 140275), (9675, 129053), (10695, 116745), (11997, 104075), (12489, 99975), (13575, 91977), (14835, 84165), (16833, 74175), (17825, 70047), (19995, 62445), (20815, 59985), (23349, 53475), (24725, 50499), (28055, 44505), (30659, 40725), (32085, 38915), (33325, 37467)]