315780

素因数分解:

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

素因数の和:308

約数の個数: 48

約数和(自身を含む): 934080

約数和(自身を除く): 618300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 277, 285, 380, 554, 570, 831, 1108, 1140, 1385, 1662, 2770, 3324, 4155, 5263, 5540, 8310, 10526, 15789, 16620, 21052, 26315, 31578, 52630, 63156, 78945, 105260, 157890, 315780]

約数ペア:

[(1, 315780), (2, 157890), (3, 105260), (4, 78945), (5, 63156), (6, 52630), (10, 31578), (12, 26315), (15, 21052), (19, 16620), (20, 15789), (30, 10526), (38, 8310), (57, 5540), (60, 5263), (76, 4155), (95, 3324), (114, 2770), (190, 1662), (228, 1385), (277, 1140), (285, 1108), (380, 831), (554, 570)]