128725920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89393}}^1$

素因数の和:89414

約数の個数: 72

約数和(自身を含む): 439282116

約数和(自身を除く): 310556196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89393, 178786, 268179, 357572, 446965, 536358, 715144, 804537, 893930, 1072716, 1340895, 1430288, 1609074, 1787860, 2145432, 2681790, 2860576, 3218148, 3575720, 4022685, 4290864, 5363580, 6436296, 7151440, 8045370, 8581728, 10727160, 12872592, 14302880, 16090740, 21454320, 25745184, 32181480, 42908640, 64362960, 128725920]

約数ペア:

[(1, 128725920), (2, 64362960), (3, 42908640), (4, 32181480), (5, 25745184), (6, 21454320), (8, 16090740), (9, 14302880), (10, 12872592), (12, 10727160), (15, 8581728), (16, 8045370), (18, 7151440), (20, 6436296), (24, 5363580), (30, 4290864), (32, 4022685), (36, 3575720), (40, 3218148), (45, 2860576), (48, 2681790), (60, 2145432), (72, 1787860), (80, 1609074), (90, 1430288), (96, 1340895), (120, 1072716), (144, 893930), (160, 804537), (180, 715144), (240, 536358), (288, 446965), (360, 357572), (480, 268179), (720, 178786), (1440, 89393)]