80952620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 199185504

約数和(自身を除く): 118232884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 89, 140, 146, 178, 292, 356, 365, 445, 511, 623, 730, 890, 1022, 1246, 1460, 1780, 2044, 2492, 2555, 3115, 5110, 6230, 6497, 7921, 10220, 12460, 12994, 15842, 25988, 31684, 32485, 39605, 45479, 55447, 64970, 79210, 90958, 110894, 129940, 158420, 181916, 221788, 227395, 277235, 454790, 554470, 578233, 909580, 1108940, 1156466, 2312932, 2891165, 4047631, 5782330, 8095262, 11564660, 16190524, 20238155, 40476310, 80952620]

約数ペア:

[(1, 80952620), (2, 40476310), (4, 20238155), (5, 16190524), (7, 11564660), (10, 8095262), (14, 5782330), (20, 4047631), (28, 2891165), (35, 2312932), (70, 1156466), (73, 1108940), (89, 909580), (140, 578233), (146, 554470), (178, 454790), (292, 277235), (356, 227395), (365, 221788), (445, 181916), (511, 158420), (623, 129940), (730, 110894), (890, 90958), (1022, 79210), (1246, 64970), (1460, 55447), (1780, 45479), (2044, 39605), (2492, 32485), (2555, 31684), (3115, 25988), (5110, 15842), (6230, 12994), (6497, 12460), (7921, 10220)]