157890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 400320

約数和(自身を除く): 242430

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 277, 285, 554, 570, 831, 1385, 1662, 2770, 4155, 5263, 8310, 10526, 15789, 26315, 31578, 52630, 78945, 157890]

約数ペア:

[(1, 157890), (2, 78945), (3, 52630), (5, 31578), (6, 26315), (10, 15789), (15, 10526), (19, 8310), (30, 5263), (38, 4155), (57, 2770), (95, 1662), (114, 1385), (190, 831), (277, 570), (285, 554)]