720138120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461627}}^1$

素因数の和:461654

約数の個数: 64

約数和(自身を含む): 2326605120

約数和(自身を除く): 1606467000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 461627, 923254, 1384881, 1846508, 2308135, 2769762, 3693016, 4616270, 5539524, 6001151, 6924405, 9232540, 11079048, 12002302, 13848810, 18003453, 18465080, 24004604, 27697620, 30005755, 36006906, 48009208, 55395240, 60011510, 72013812, 90017265, 120023020, 144027624, 180034530, 240046040, 360069060, 720138120]

約数ペア:

[(1, 720138120), (2, 360069060), (3, 240046040), (4, 180034530), (5, 144027624), (6, 120023020), (8, 90017265), (10, 72013812), (12, 60011510), (13, 55395240), (15, 48009208), (20, 36006906), (24, 30005755), (26, 27697620), (30, 24004604), (39, 18465080), (40, 18003453), (52, 13848810), (60, 12002302), (65, 11079048), (78, 9232540), (104, 6924405), (120, 6001151), (130, 5539524), (156, 4616270), (195, 3693016), (260, 2769762), (312, 2308135), (390, 1846508), (520, 1384881), (780, 923254), (1560, 461627)]