1312825787480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3623}}^1\times {\mathrm{244837}}^1$

素因数の和:248508

約数の個数: 64

約数和(自身を含む): 3034541759040

約数和(自身を除く): 1721715971560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 3623, 7246, 14492, 18115, 28984, 36230, 72460, 134051, 144920, 244837, 268102, 489674, 536204, 670255, 979348, 1072408, 1224185, 1340510, 1958696, 2448370, 2681020, 4896740, 5362040, 9058969, 9793480, 18117938, 36235876, 45294845, 72471752, 90589690, 181179380, 362358760, 887044451, 1774088902, 3548177804, 4435222255, 7096355608, 8870444510, 17740889020, 32820644687, 35481778040, 65641289374, 131282578748, 164103223435, 262565157496, 328206446870, 656412893740, 1312825787480]

約数ペア:

[(1, 1312825787480), (2, 656412893740), (4, 328206446870), (5, 262565157496), (8, 164103223435), (10, 131282578748), (20, 65641289374), (37, 35481778040), (40, 32820644687), (74, 17740889020), (148, 8870444510), (185, 7096355608), (296, 4435222255), (370, 3548177804), (740, 1774088902), (1480, 887044451), (3623, 362358760), (7246, 181179380), (14492, 90589690), (18115, 72471752), (28984, 45294845), (36230, 36235876), (72460, 18117938), (134051, 9793480), (144920, 9058969), (244837, 5362040), (268102, 4896740), (489674, 2681020), (536204, 2448370), (670255, 1958696), (979348, 1340510), (1072408, 1224185)]