770516480

素因数分解:

$2^9\times 5^1\times {\mathrm{491}}^1\times {\mathrm{613}}^1$

素因数の和:1127

約数の個数: 80

約数和(自身を含む): 1854216144

約数和(自身を除く): 1083699664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 491, 512, 613, 640, 982, 1226, 1280, 1964, 2452, 2455, 2560, 3065, 3928, 4904, 4910, 6130, 7856, 9808, 9820, 12260, 15712, 19616, 19640, 24520, 31424, 39232, 39280, 49040, 62848, 78464, 78560, 98080, 125696, 156928, 157120, 196160, 251392, 300983, 313856, 314240, 392320, 601966, 628480, 784640, 1203932, 1256960, 1504915, 1569280, 2407864, 3009830, 4815728, 6019660, 9631456, 12039320, 19262912, 24078640, 38525824, 48157280, 77051648, 96314560, 154103296, 192629120, 385258240, 770516480]

約数ペア:

[(1, 770516480), (2, 385258240), (4, 192629120), (5, 154103296), (8, 96314560), (10, 77051648), (16, 48157280), (20, 38525824), (32, 24078640), (40, 19262912), (64, 12039320), (80, 9631456), (128, 6019660), (160, 4815728), (256, 3009830), (320, 2407864), (491, 1569280), (512, 1504915), (613, 1256960), (640, 1203932), (982, 784640), (1226, 628480), (1280, 601966), (1964, 392320), (2452, 314240), (2455, 313856), (2560, 300983), (3065, 251392), (3928, 196160), (4904, 157120), (4910, 156928), (6130, 125696), (7856, 98080), (9808, 78560), (9820, 78464), (12260, 62848), (15712, 49040), (19616, 39280), (19640, 39232), (24520, 31424)]