31062680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 76826880

約数和(自身を除く): 45764200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 311, 440, 454, 622, 908, 1135, 1244, 1555, 1816, 2270, 2488, 2497, 3110, 3421, 4540, 4994, 6220, 6842, 9080, 9988, 12440, 12485, 13684, 17105, 19976, 24970, 27368, 34210, 49940, 68420, 70597, 99880, 136840, 141194, 282388, 352985, 564776, 705970, 776567, 1411940, 1553134, 2823880, 3106268, 3882835, 6212536, 7765670, 15531340, 31062680]

約数ペア:

[(1, 31062680), (2, 15531340), (4, 7765670), (5, 6212536), (8, 3882835), (10, 3106268), (11, 2823880), (20, 1553134), (22, 1411940), (40, 776567), (44, 705970), (55, 564776), (88, 352985), (110, 282388), (220, 141194), (227, 136840), (311, 99880), (440, 70597), (454, 68420), (622, 49940), (908, 34210), (1135, 27368), (1244, 24970), (1555, 19976), (1816, 17105), (2270, 13684), (2488, 12485), (2497, 12440), (3110, 9988), (3421, 9080), (4540, 6842), (4994, 6220)]