16280820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 33514380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 599, 604, 755, 906, 1198, 1359, 1510, 1797, 1812, 2265, 2396, 2718, 2995, 3020, 3594, 4530, 5391, 5436, 5990, 6795, 7188, 8985, 9060, 10782, 11980, 13590, 17970, 21564, 26955, 27180, 35940, 53910, 90449, 107820, 180898, 271347, 361796, 452245, 542694, 814041, 904490, 1085388, 1356735, 1628082, 1808980, 2713470, 3256164, 4070205, 5426940, 8140410, 16280820]

約数ペア:

[(1, 16280820), (2, 8140410), (3, 5426940), (4, 4070205), (5, 3256164), (6, 2713470), (9, 1808980), (10, 1628082), (12, 1356735), (15, 1085388), (18, 904490), (20, 814041), (30, 542694), (36, 452245), (45, 361796), (60, 271347), (90, 180898), (151, 107820), (180, 90449), (302, 53910), (453, 35940), (599, 27180), (604, 26955), (755, 21564), (906, 17970), (1198, 13590), (1359, 11980), (1510, 10782), (1797, 9060), (1812, 8985), (2265, 7188), (2396, 6795), (2718, 5990), (2995, 5436), (3020, 5391), (3594, 4530)]