17838180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 54650232

約数和(自身を除く): 36812052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 877, 1017, 1130, 1356, 1695, 1754, 2034, 2260, 2631, 3390, 3508, 4068, 4385, 5085, 5262, 6780, 7893, 8770, 10170, 10524, 13155, 15786, 17540, 20340, 26310, 31572, 39465, 52620, 78930, 99101, 157860, 198202, 297303, 396404, 495505, 594606, 891909, 991010, 1189212, 1486515, 1783818, 1982020, 2973030, 3567636, 4459545, 5946060, 8919090, 17838180]

約数ペア:

[(1, 17838180), (2, 8919090), (3, 5946060), (4, 4459545), (5, 3567636), (6, 2973030), (9, 1982020), (10, 1783818), (12, 1486515), (15, 1189212), (18, 991010), (20, 891909), (30, 594606), (36, 495505), (45, 396404), (60, 297303), (90, 198202), (113, 157860), (180, 99101), (226, 78930), (339, 52620), (452, 39465), (565, 31572), (678, 26310), (877, 20340), (1017, 17540), (1130, 15786), (1356, 13155), (1695, 10524), (1754, 10170), (2034, 8770), (2260, 7893), (2631, 6780), (3390, 5262), (3508, 5085), (4068, 4385)]