720311904

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{192391}}^1$

素因数の和:192420

約数の個数: 72

約数和(自身を含む): 2205966672

約数和(自身を除く): 1485654768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 192391, 384782, 577173, 769564, 1154346, 1539128, 1731519, 2308692, 2501083, 3078256, 3463038, 4617384, 5002166, 6156512, 6926076, 7503249, 9234768, 10004332, 13852152, 15006498, 18469536, 20008664, 22509747, 27704304, 30012996, 40017328, 45019494, 55408608, 60025992, 80034656, 90038988, 120051984, 180077976, 240103968, 360155952, 720311904]

約数ペア:

[(1, 720311904), (2, 360155952), (3, 240103968), (4, 180077976), (6, 120051984), (8, 90038988), (9, 80034656), (12, 60025992), (13, 55408608), (16, 45019494), (18, 40017328), (24, 30012996), (26, 27704304), (32, 22509747), (36, 20008664), (39, 18469536), (48, 15006498), (52, 13852152), (72, 10004332), (78, 9234768), (96, 7503249), (104, 6926076), (117, 6156512), (144, 5002166), (156, 4617384), (208, 3463038), (234, 3078256), (288, 2501083), (312, 2308692), (416, 1731519), (468, 1539128), (624, 1154346), (936, 769564), (1248, 577173), (1872, 384782), (3744, 192391)]