240972012

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4099}}^1$

素因数の和:4203

約数の個数: 72

約数和(自身を含む): 644716800

約数和(自身を除く): 403744788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 71, 92, 138, 142, 207, 213, 276, 284, 414, 426, 639, 828, 852, 1278, 1633, 2556, 3266, 4099, 4899, 6532, 8198, 9798, 12297, 14697, 16396, 19596, 24594, 29394, 36891, 49188, 58788, 73782, 94277, 147564, 188554, 282831, 291029, 377108, 565662, 582058, 848493, 873087, 1131324, 1164116, 1696986, 1746174, 2619261, 3393972, 3492348, 5238522, 6693667, 10477044, 13387334, 20081001, 26774668, 40162002, 60243003, 80324004, 120486006, 240972012]

約数ペア:

[(1, 240972012), (2, 120486006), (3, 80324004), (4, 60243003), (6, 40162002), (9, 26774668), (12, 20081001), (18, 13387334), (23, 10477044), (36, 6693667), (46, 5238522), (69, 3492348), (71, 3393972), (92, 2619261), (138, 1746174), (142, 1696986), (207, 1164116), (213, 1131324), (276, 873087), (284, 848493), (414, 582058), (426, 565662), (639, 377108), (828, 291029), (852, 282831), (1278, 188554), (1633, 147564), (2556, 94277), (3266, 73782), (4099, 58788), (4899, 49188), (6532, 36891), (8198, 29394), (9798, 24594), (12297, 19596), (14697, 16396)]