78800220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23041}}^1$

素因数の和:23075

約数の個数: 72

約数和(自身を含む): 251618640

約数和(自身を除く): 172818420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23041, 46082, 69123, 92164, 115205, 138246, 207369, 230410, 276492, 345615, 414738, 437779, 460820, 691230, 829476, 875558, 1036845, 1313337, 1382460, 1751116, 2073690, 2188895, 2626674, 3940011, 4147380, 4377790, 5253348, 6566685, 7880022, 8755580, 13133370, 15760044, 19700055, 26266740, 39400110, 78800220]

約数ペア:

[(1, 78800220), (2, 39400110), (3, 26266740), (4, 19700055), (5, 15760044), (6, 13133370), (9, 8755580), (10, 7880022), (12, 6566685), (15, 5253348), (18, 4377790), (19, 4147380), (20, 3940011), (30, 2626674), (36, 2188895), (38, 2073690), (45, 1751116), (57, 1382460), (60, 1313337), (76, 1036845), (90, 875558), (95, 829476), (114, 691230), (171, 460820), (180, 437779), (190, 414738), (228, 345615), (285, 276492), (342, 230410), (380, 207369), (570, 138246), (684, 115205), (855, 92164), (1140, 69123), (1710, 46082), (3420, 23041)]