168191120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67819}}^1$

素因数の和:67863

約数の個数: 40

約数和(自身を含む): 403664640

約数和(自身を除く): 235473520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67819, 135638, 271276, 339095, 542552, 678190, 1085104, 1356380, 2102389, 2712760, 4204778, 5425520, 8409556, 10511945, 16819112, 21023890, 33638224, 42047780, 84095560, 168191120]

約数ペア:

[(1, 168191120), (2, 84095560), (4, 42047780), (5, 33638224), (8, 21023890), (10, 16819112), (16, 10511945), (20, 8409556), (31, 5425520), (40, 4204778), (62, 2712760), (80, 2102389), (124, 1356380), (155, 1085104), (248, 678190), (310, 542552), (496, 339095), (620, 271276), (1240, 135638), (2480, 67819)]