72405760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8081}}^1$

素因数の和:8109

約数の個数: 72

約数和(自身を含む): 198235296

約数和(自身を除く): 125829536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8081, 8960, 16162, 32324, 40405, 56567, 64648, 80810, 113134, 129296, 161620, 226268, 258592, 282835, 323240, 452536, 517184, 565670, 646480, 905072, 1034368, 1131340, 1292960, 1810144, 2068736, 2262680, 2585920, 3620288, 4525360, 5171840, 7240576, 9050720, 10343680, 14481152, 18101440, 36202880, 72405760]

約数ペア:

[(1, 72405760), (2, 36202880), (4, 18101440), (5, 14481152), (7, 10343680), (8, 9050720), (10, 7240576), (14, 5171840), (16, 4525360), (20, 3620288), (28, 2585920), (32, 2262680), (35, 2068736), (40, 1810144), (56, 1292960), (64, 1131340), (70, 1034368), (80, 905072), (112, 646480), (128, 565670), (140, 517184), (160, 452536), (224, 323240), (256, 282835), (280, 258592), (320, 226268), (448, 161620), (560, 129296), (640, 113134), (896, 80810), (1120, 64648), (1280, 56567), (1792, 40405), (2240, 32324), (4480, 16162), (8081, 8960)]