80350740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{877}}^1$

素因数の和:1401

約数の個数: 72

約数和(自身を含む): 244487880

約数和(自身を除く): 164137140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 877, 1018, 1527, 1754, 2036, 2545, 2631, 3054, 3508, 4385, 4581, 5090, 5262, 6108, 7635, 7893, 8770, 9162, 10180, 10524, 13155, 15270, 15786, 17540, 18324, 22905, 26310, 30540, 31572, 39465, 45810, 52620, 78930, 91620, 157860, 446393, 892786, 1339179, 1785572, 2231965, 2678358, 4017537, 4463930, 5356716, 6695895, 8035074, 8927860, 13391790, 16070148, 20087685, 26783580, 40175370, 80350740]

約数ペア:

[(1, 80350740), (2, 40175370), (3, 26783580), (4, 20087685), (5, 16070148), (6, 13391790), (9, 8927860), (10, 8035074), (12, 6695895), (15, 5356716), (18, 4463930), (20, 4017537), (30, 2678358), (36, 2231965), (45, 1785572), (60, 1339179), (90, 892786), (180, 446393), (509, 157860), (877, 91620), (1018, 78930), (1527, 52620), (1754, 45810), (2036, 39465), (2545, 31572), (2631, 30540), (3054, 26310), (3508, 22905), (4385, 18324), (4581, 17540), (5090, 15786), (5262, 15270), (6108, 13155), (7635, 10524), (7893, 10180), (8770, 9162)]