259321120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85303}}^1$

素因数の和:85337

約数の個数: 48

約数和(自身を含む): 644898240

約数和(自身を除く): 385577120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 85303, 170606, 341212, 426515, 682424, 853030, 1364848, 1620757, 1706060, 2729696, 3241514, 3412120, 6483028, 6824240, 8103785, 12966056, 13648480, 16207570, 25932112, 32415140, 51864224, 64830280, 129660560, 259321120]

約数ペア:

[(1, 259321120), (2, 129660560), (4, 64830280), (5, 51864224), (8, 32415140), (10, 25932112), (16, 16207570), (19, 13648480), (20, 12966056), (32, 8103785), (38, 6824240), (40, 6483028), (76, 3412120), (80, 3241514), (95, 2729696), (152, 1706060), (160, 1620757), (190, 1364848), (304, 853030), (380, 682424), (608, 426515), (760, 341212), (1520, 170606), (3040, 85303)]