778312560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3242969}}^1$

素因数の和:3242985

約数の個数: 40

約数和(自身を含む): 2412769680

約数和(自身を除く): 1634457120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3242969, 6485938, 9728907, 12971876, 16214845, 19457814, 25943752, 32429690, 38915628, 48644535, 51887504, 64859380, 77831256, 97289070, 129718760, 155662512, 194578140, 259437520, 389156280, 778312560]

約数ペア:

[(1, 778312560), (2, 389156280), (3, 259437520), (4, 194578140), (5, 155662512), (6, 129718760), (8, 97289070), (10, 77831256), (12, 64859380), (15, 51887504), (16, 48644535), (20, 38915628), (24, 32429690), (30, 25943752), (40, 19457814), (48, 16214845), (60, 12971876), (80, 9728907), (120, 6485938), (240, 3242969)]