169021720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31771}}^1$

素因数の和:31808

約数の個数: 64

約数和(自身を含む): 457516800

約数和(自身を除く): 288495080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 31771, 63542, 127084, 158855, 222397, 254168, 317710, 444794, 603649, 635420, 889588, 1111985, 1207298, 1270840, 1779176, 2223970, 2414596, 3018245, 4225543, 4447940, 4829192, 6036490, 8451086, 8895880, 12072980, 16902172, 21127715, 24145960, 33804344, 42255430, 84510860, 169021720]

約数ペア:

[(1, 169021720), (2, 84510860), (4, 42255430), (5, 33804344), (7, 24145960), (8, 21127715), (10, 16902172), (14, 12072980), (19, 8895880), (20, 8451086), (28, 6036490), (35, 4829192), (38, 4447940), (40, 4225543), (56, 3018245), (70, 2414596), (76, 2223970), (95, 1779176), (133, 1270840), (140, 1207298), (152, 1111985), (190, 889588), (266, 635420), (280, 603649), (380, 444794), (532, 317710), (665, 254168), (760, 222397), (1064, 158855), (1330, 127084), (2660, 63542), (5320, 31771)]