81965820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 235952640

約数和(自身を除く): 153986820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 109, 151, 166, 218, 249, 302, 327, 332, 415, 436, 453, 498, 545, 604, 654, 755, 830, 906, 996, 1090, 1245, 1308, 1510, 1635, 1660, 1812, 2180, 2265, 2490, 3020, 3270, 4530, 4980, 6540, 9047, 9060, 12533, 16459, 18094, 25066, 27141, 32918, 36188, 37599, 45235, 49377, 50132, 54282, 62665, 65836, 75198, 82295, 90470, 98754, 108564, 125330, 135705, 150396, 164590, 180940, 187995, 197508, 246885, 250660, 271410, 329180, 375990, 493770, 542820, 751980, 987540, 1366097, 2732194, 4098291, 5464388, 6830485, 8196582, 13660970, 16393164, 20491455, 27321940, 40982910, 81965820]

約数ペア:

[(1, 81965820), (2, 40982910), (3, 27321940), (4, 20491455), (5, 16393164), (6, 13660970), (10, 8196582), (12, 6830485), (15, 5464388), (20, 4098291), (30, 2732194), (60, 1366097), (83, 987540), (109, 751980), (151, 542820), (166, 493770), (218, 375990), (249, 329180), (302, 271410), (327, 250660), (332, 246885), (415, 197508), (436, 187995), (453, 180940), (498, 164590), (545, 150396), (604, 135705), (654, 125330), (755, 108564), (830, 98754), (906, 90470), (996, 82295), (1090, 75198), (1245, 65836), (1308, 62665), (1510, 54282), (1635, 50132), (1660, 49377), (1812, 45235), (2180, 37599), (2265, 36188), (2490, 32918), (3020, 27141), (3270, 25066), (4530, 18094), (4980, 16459), (6540, 12533), (9047, 9060)]