511663280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 1263936960

約数和(自身を除く): 752273680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 439, 680, 857, 878, 1360, 1714, 1756, 2195, 3428, 3512, 4285, 4390, 6856, 7024, 7463, 8570, 8780, 13712, 14569, 14926, 17140, 17560, 29138, 29852, 34280, 35120, 37315, 58276, 59704, 68560, 72845, 74630, 116552, 119408, 145690, 149260, 233104, 291380, 298520, 376223, 582760, 597040, 752446, 1165520, 1504892, 1881115, 3009784, 3762230, 6019568, 6395791, 7524460, 12791582, 15048920, 25583164, 30097840, 31978955, 51166328, 63957910, 102332656, 127915820, 255831640, 511663280]

約数ペア:

[(1, 511663280), (2, 255831640), (4, 127915820), (5, 102332656), (8, 63957910), (10, 51166328), (16, 31978955), (17, 30097840), (20, 25583164), (34, 15048920), (40, 12791582), (68, 7524460), (80, 6395791), (85, 6019568), (136, 3762230), (170, 3009784), (272, 1881115), (340, 1504892), (439, 1165520), (680, 752446), (857, 597040), (878, 582760), (1360, 376223), (1714, 298520), (1756, 291380), (2195, 233104), (3428, 149260), (3512, 145690), (4285, 119408), (4390, 116552), (6856, 74630), (7024, 72845), (7463, 68560), (8570, 59704), (8780, 58276), (13712, 37315), (14569, 35120), (14926, 34280), (17140, 29852), (17560, 29138)]