257219880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29363}}^1$

素因数の和:29450

約数の個数: 64

約数和(自身を含む): 782256960

約数和(自身を除く): 525037080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2920, 4380, 8760, 29363, 58726, 88089, 117452, 146815, 176178, 234904, 293630, 352356, 440445, 587260, 704712, 880890, 1174520, 1761780, 2143499, 3523560, 4286998, 6430497, 8573996, 10717495, 12860994, 17147992, 21434990, 25721988, 32152485, 42869980, 51443976, 64304970, 85739960, 128609940, 257219880]

約数ペア:

[(1, 257219880), (2, 128609940), (3, 85739960), (4, 64304970), (5, 51443976), (6, 42869980), (8, 32152485), (10, 25721988), (12, 21434990), (15, 17147992), (20, 12860994), (24, 10717495), (30, 8573996), (40, 6430497), (60, 4286998), (73, 3523560), (120, 2143499), (146, 1761780), (219, 1174520), (292, 880890), (365, 704712), (438, 587260), (584, 440445), (730, 352356), (876, 293630), (1095, 234904), (1460, 176178), (1752, 146815), (2190, 117452), (2920, 88089), (4380, 58726), (8760, 29363)]