7881720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 29514240

約数和(自身を除く): 21632520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 853, 924, 1155, 1320, 1540, 1706, 1848, 2310, 2559, 3080, 3412, 4265, 4620, 5118, 5971, 6824, 8530, 9240, 9383, 10236, 11942, 12795, 17060, 17913, 18766, 20472, 23884, 25590, 28149, 29855, 34120, 35826, 37532, 46915, 47768, 51180, 56298, 59710, 65681, 71652, 75064, 89565, 93830, 102360, 112596, 119420, 131362, 140745, 143304, 179130, 187660, 197043, 225192, 238840, 262724, 281490, 328405, 358260, 375320, 394086, 525448, 562980, 656810, 716520, 788172, 985215, 1125960, 1313620, 1576344, 1970430, 2627240, 3940860, 7881720]

約数ペア:

[(1, 7881720), (2, 3940860), (3, 2627240), (4, 1970430), (5, 1576344), (6, 1313620), (7, 1125960), (8, 985215), (10, 788172), (11, 716520), (12, 656810), (14, 562980), (15, 525448), (20, 394086), (21, 375320), (22, 358260), (24, 328405), (28, 281490), (30, 262724), (33, 238840), (35, 225192), (40, 197043), (42, 187660), (44, 179130), (55, 143304), (56, 140745), (60, 131362), (66, 119420), (70, 112596), (77, 102360), (84, 93830), (88, 89565), (105, 75064), (110, 71652), (120, 65681), (132, 59710), (140, 56298), (154, 51180), (165, 47768), (168, 46915), (210, 37532), (220, 35826), (231, 34120), (264, 29855), (280, 28149), (308, 25590), (330, 23884), (385, 20472), (420, 18766), (440, 17913), (462, 17060), (616, 12795), (660, 11942), (770, 10236), (840, 9383), (853, 9240), (924, 8530), (1155, 6824), (1320, 5971), (1540, 5118), (1706, 4620), (1848, 4265), (2310, 3412), (2559, 3080)]