81694680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35831}}^1$

素因数の和:35864

約数の個数: 64

約数和(自身を含む): 257990400

約数和(自身を除く): 176295720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 35831, 71662, 107493, 143324, 179155, 214986, 286648, 358310, 429972, 537465, 680789, 716620, 859944, 1074930, 1361578, 1433240, 2042367, 2149860, 2723156, 3403945, 4084734, 4299720, 5446312, 6807890, 8169468, 10211835, 13615780, 16338936, 20423670, 27231560, 40847340, 81694680]

約数ペア:

[(1, 81694680), (2, 40847340), (3, 27231560), (4, 20423670), (5, 16338936), (6, 13615780), (8, 10211835), (10, 8169468), (12, 6807890), (15, 5446312), (19, 4299720), (20, 4084734), (24, 3403945), (30, 2723156), (38, 2149860), (40, 2042367), (57, 1433240), (60, 1361578), (76, 1074930), (95, 859944), (114, 716620), (120, 680789), (152, 537465), (190, 429972), (228, 358310), (285, 286648), (380, 214986), (456, 179155), (570, 143324), (760, 107493), (1140, 71662), (2280, 35831)]