81450960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{733}}^1$

素因数の和:1212

約数の個数: 80

約数和(自身を含む): 253388544

約数和(自身を除く): 171937584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 463, 733, 926, 1389, 1466, 1852, 2199, 2315, 2778, 2932, 3665, 3704, 4398, 4630, 5556, 5864, 6945, 7330, 7408, 8796, 9260, 10995, 11112, 11728, 13890, 14660, 17592, 18520, 21990, 22224, 27780, 29320, 35184, 37040, 43980, 55560, 58640, 87960, 111120, 175920, 339379, 678758, 1018137, 1357516, 1696895, 2036274, 2715032, 3393790, 4072548, 5090685, 5430064, 6787580, 8145096, 10181370, 13575160, 16290192, 20362740, 27150320, 40725480, 81450960]

約数ペア:

[(1, 81450960), (2, 40725480), (3, 27150320), (4, 20362740), (5, 16290192), (6, 13575160), (8, 10181370), (10, 8145096), (12, 6787580), (15, 5430064), (16, 5090685), (20, 4072548), (24, 3393790), (30, 2715032), (40, 2036274), (48, 1696895), (60, 1357516), (80, 1018137), (120, 678758), (240, 339379), (463, 175920), (733, 111120), (926, 87960), (1389, 58640), (1466, 55560), (1852, 43980), (2199, 37040), (2315, 35184), (2778, 29320), (2932, 27780), (3665, 22224), (3704, 21990), (4398, 18520), (4630, 17592), (5556, 14660), (5864, 13890), (6945, 11728), (7330, 11112), (7408, 10995), (8796, 9260)]