78957440

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 190686960

約数和(自身を除く): 111729520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 535, 640, 856, 1070, 1153, 1712, 2140, 2306, 3424, 4280, 4612, 5765, 6848, 8560, 9224, 11530, 13696, 17120, 18448, 23060, 34240, 36896, 46120, 68480, 73792, 92240, 123371, 147584, 184480, 246742, 368960, 493484, 616855, 737920, 986968, 1233710, 1973936, 2467420, 3947872, 4934840, 7895744, 9869680, 15791488, 19739360, 39478720, 78957440]

約数ペア:

[(1, 78957440), (2, 39478720), (4, 19739360), (5, 15791488), (8, 9869680), (10, 7895744), (16, 4934840), (20, 3947872), (32, 2467420), (40, 1973936), (64, 1233710), (80, 986968), (107, 737920), (128, 616855), (160, 493484), (214, 368960), (320, 246742), (428, 184480), (535, 147584), (640, 123371), (856, 92240), (1070, 73792), (1153, 68480), (1712, 46120), (2140, 36896), (2306, 34240), (3424, 23060), (4280, 18448), (4612, 17120), (5765, 13696), (6848, 11530), (8560, 9224)]