820356660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{506393}}^1$

素因数の和:506414

約数の個数: 60

約数和(自身を含む): 2573494308

約数和(自身を除く): 1753137648

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 506393, 1012786, 1519179, 2025572, 2531965, 3038358, 4557537, 5063930, 6076716, 7595895, 9115074, 10127860, 13672611, 15191790, 18230148, 22787685, 27345222, 30383580, 41017833, 45575370, 54690444, 68363055, 82035666, 91150740, 136726110, 164071332, 205089165, 273452220, 410178330, 820356660]

約数ペア:

[(1, 820356660), (2, 410178330), (3, 273452220), (4, 205089165), (5, 164071332), (6, 136726110), (9, 91150740), (10, 82035666), (12, 68363055), (15, 54690444), (18, 45575370), (20, 41017833), (27, 30383580), (30, 27345222), (36, 22787685), (45, 18230148), (54, 15191790), (60, 13672611), (81, 10127860), (90, 9115074), (108, 7595895), (135, 6076716), (162, 5063930), (180, 4557537), (270, 3038358), (324, 2531965), (405, 2025572), (540, 1519179), (810, 1012786), (1620, 506393)]