6420551680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1277}}^1$

素因数の和:1795

約数の個数: 96

約数和(自身を含む): 15449026320

約数和(自身を除く): 9028474640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 491, 512, 640, 982, 1024, 1277, 1280, 1964, 2048, 2455, 2554, 2560, 3928, 4910, 5108, 5120, 6385, 7856, 9820, 10216, 10240, 12770, 15712, 19640, 20432, 25540, 31424, 39280, 40864, 51080, 62848, 78560, 81728, 102160, 125696, 157120, 163456, 204320, 251392, 314240, 326912, 408640, 502784, 627007, 628480, 653824, 817280, 1005568, 1254014, 1256960, 1307648, 1634560, 2508028, 2513920, 2615296, 3135035, 3269120, 5016056, 5027840, 6270070, 6538240, 10032112, 12540140, 13076480, 20064224, 25080280, 40128448, 50160560, 80256896, 100321120, 160513792, 200642240, 321027584, 401284480, 642055168, 802568960, 1284110336, 1605137920, 3210275840, 6420551680]

約数ペア:

[(1, 6420551680), (2, 3210275840), (4, 1605137920), (5, 1284110336), (8, 802568960), (10, 642055168), (16, 401284480), (20, 321027584), (32, 200642240), (40, 160513792), (64, 100321120), (80, 80256896), (128, 50160560), (160, 40128448), (256, 25080280), (320, 20064224), (491, 13076480), (512, 12540140), (640, 10032112), (982, 6538240), (1024, 6270070), (1277, 5027840), (1280, 5016056), (1964, 3269120), (2048, 3135035), (2455, 2615296), (2554, 2513920), (2560, 2508028), (3928, 1634560), (4910, 1307648), (5108, 1256960), (5120, 1254014), (6385, 1005568), (7856, 817280), (9820, 653824), (10216, 628480), (10240, 627007), (12770, 502784), (15712, 408640), (19640, 326912), (20432, 314240), (25540, 251392), (31424, 204320), (39280, 163456), (40864, 157120), (51080, 125696), (62848, 102160), (78560, 81728)]