129958740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31391}}^1$

素因数の和:31429

約数の個数: 72

約数和(自身を含む): 411360768

約数和(自身を除く): 281402028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 31391, 62782, 94173, 125564, 156955, 188346, 282519, 313910, 376692, 470865, 565038, 627820, 721993, 941730, 1130076, 1412595, 1443986, 1883460, 2165979, 2825190, 2887972, 3609965, 4331958, 5650380, 6497937, 7219930, 8663916, 10829895, 12995874, 14439860, 21659790, 25991748, 32489685, 43319580, 64979370, 129958740]

約数ペア:

[(1, 129958740), (2, 64979370), (3, 43319580), (4, 32489685), (5, 25991748), (6, 21659790), (9, 14439860), (10, 12995874), (12, 10829895), (15, 8663916), (18, 7219930), (20, 6497937), (23, 5650380), (30, 4331958), (36, 3609965), (45, 2887972), (46, 2825190), (60, 2165979), (69, 1883460), (90, 1443986), (92, 1412595), (115, 1130076), (138, 941730), (180, 721993), (207, 627820), (230, 565038), (276, 470865), (345, 376692), (414, 313910), (460, 282519), (690, 188346), (828, 156955), (1035, 125564), (1380, 94173), (2070, 62782), (4140, 31391)]