78465440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 96

約数和(自身を含む): 199221120

約数和(自身を除く): 120755680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 380, 424, 487, 530, 608, 760, 848, 974, 1007, 1060, 1520, 1696, 1948, 2014, 2120, 2435, 3040, 3896, 4028, 4240, 4870, 5035, 7792, 8056, 8480, 9253, 9740, 10070, 15584, 16112, 18506, 19480, 20140, 25811, 32224, 37012, 38960, 40280, 46265, 51622, 74024, 77920, 80560, 92530, 103244, 129055, 148048, 161120, 185060, 206488, 258110, 296096, 370120, 412976, 490409, 516220, 740240, 825952, 980818, 1032440, 1480480, 1961636, 2064880, 2452045, 3923272, 4129760, 4904090, 7846544, 9808180, 15693088, 19616360, 39232720, 78465440]

約数ペア:

[(1, 78465440), (2, 39232720), (4, 19616360), (5, 15693088), (8, 9808180), (10, 7846544), (16, 4904090), (19, 4129760), (20, 3923272), (32, 2452045), (38, 2064880), (40, 1961636), (53, 1480480), (76, 1032440), (80, 980818), (95, 825952), (106, 740240), (152, 516220), (160, 490409), (190, 412976), (212, 370120), (265, 296096), (304, 258110), (380, 206488), (424, 185060), (487, 161120), (530, 148048), (608, 129055), (760, 103244), (848, 92530), (974, 80560), (1007, 77920), (1060, 74024), (1520, 51622), (1696, 46265), (1948, 40280), (2014, 38960), (2120, 37012), (2435, 32224), (3040, 25811), (3896, 20140), (4028, 19480), (4240, 18506), (4870, 16112), (5035, 15584), (7792, 10070), (8056, 9740), (8480, 9253)]