135780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 397824

約数和(自身を除く): 262044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 73, 93, 124, 146, 155, 186, 219, 292, 310, 365, 372, 438, 465, 620, 730, 876, 930, 1095, 1460, 1860, 2190, 2263, 4380, 4526, 6789, 9052, 11315, 13578, 22630, 27156, 33945, 45260, 67890, 135780]

約数ペア:

[(1, 135780), (2, 67890), (3, 45260), (4, 33945), (5, 27156), (6, 22630), (10, 13578), (12, 11315), (15, 9052), (20, 6789), (30, 4526), (31, 4380), (60, 2263), (62, 2190), (73, 1860), (93, 1460), (124, 1095), (146, 930), (155, 876), (186, 730), (219, 620), (292, 465), (310, 438), (365, 372)]