77947120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2699}}^1$

素因数の和:2750

約数の個数: 60

約数和(自身を含む): 191338200

約数和(自身を除く): 113391080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2699, 2888, 3610, 5398, 5776, 7220, 10796, 13495, 14440, 21592, 26990, 28880, 43184, 51281, 53980, 102562, 107960, 205124, 215920, 256405, 410248, 512810, 820496, 974339, 1025620, 1948678, 2051240, 3897356, 4102480, 4871695, 7794712, 9743390, 15589424, 19486780, 38973560, 77947120]

約数ペア:

[(1, 77947120), (2, 38973560), (4, 19486780), (5, 15589424), (8, 9743390), (10, 7794712), (16, 4871695), (19, 4102480), (20, 3897356), (38, 2051240), (40, 1948678), (76, 1025620), (80, 974339), (95, 820496), (152, 512810), (190, 410248), (304, 256405), (361, 215920), (380, 205124), (722, 107960), (760, 102562), (1444, 53980), (1520, 51281), (1805, 43184), (2699, 28880), (2888, 26990), (3610, 21592), (5398, 14440), (5776, 13495), (7220, 10796)]