78500480

素因数分解:

$2^7\times 5^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:901

約数の個数: 64

約数和(自身を含む): 189016200

約数和(自身を除く): 110515720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 173, 320, 346, 640, 692, 709, 865, 1384, 1418, 1730, 2768, 2836, 3460, 3545, 5536, 5672, 6920, 7090, 11072, 11344, 13840, 14180, 22144, 22688, 27680, 28360, 45376, 55360, 56720, 90752, 110720, 113440, 122657, 226880, 245314, 453760, 490628, 613285, 981256, 1226570, 1962512, 2453140, 3925024, 4906280, 7850048, 9812560, 15700096, 19625120, 39250240, 78500480]

約数ペア:

[(1, 78500480), (2, 39250240), (4, 19625120), (5, 15700096), (8, 9812560), (10, 7850048), (16, 4906280), (20, 3925024), (32, 2453140), (40, 1962512), (64, 1226570), (80, 981256), (128, 613285), (160, 490628), (173, 453760), (320, 245314), (346, 226880), (640, 122657), (692, 113440), (709, 110720), (865, 90752), (1384, 56720), (1418, 55360), (1730, 45376), (2768, 28360), (2836, 27680), (3460, 22688), (3545, 22144), (5536, 14180), (5672, 13840), (6920, 11344), (7090, 11072)]