78283120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 190836000

約数和(自身を除く): 112552880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 370, 424, 499, 530, 592, 740, 848, 998, 1060, 1480, 1961, 1996, 2120, 2495, 2960, 3922, 3992, 4240, 4990, 7844, 7984, 9805, 9980, 15688, 18463, 19610, 19960, 26447, 31376, 36926, 39220, 39920, 52894, 73852, 78440, 92315, 105788, 132235, 147704, 156880, 184630, 211576, 264470, 295408, 369260, 423152, 528940, 738520, 978539, 1057880, 1477040, 1957078, 2115760, 3914156, 4892695, 7828312, 9785390, 15656624, 19570780, 39141560, 78283120]

約数ペア:

[(1, 78283120), (2, 39141560), (4, 19570780), (5, 15656624), (8, 9785390), (10, 7828312), (16, 4892695), (20, 3914156), (37, 2115760), (40, 1957078), (53, 1477040), (74, 1057880), (80, 978539), (106, 738520), (148, 528940), (185, 423152), (212, 369260), (265, 295408), (296, 264470), (370, 211576), (424, 184630), (499, 156880), (530, 147704), (592, 132235), (740, 105788), (848, 92315), (998, 78440), (1060, 73852), (1480, 52894), (1961, 39920), (1996, 39220), (2120, 36926), (2495, 31376), (2960, 26447), (3922, 19960), (3992, 19610), (4240, 18463), (4990, 15688), (7844, 9980), (7984, 9805)]