20180790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 60742656

約数和(自身を除く): 40561866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 103, 105, 126, 206, 210, 309, 311, 315, 515, 618, 622, 630, 721, 927, 933, 1030, 1442, 1545, 1555, 1854, 1866, 2163, 2177, 2799, 3090, 3110, 3605, 4326, 4354, 4635, 4665, 5598, 6489, 6531, 7210, 9270, 9330, 10815, 10885, 12978, 13062, 13995, 19593, 21630, 21770, 27990, 32033, 32445, 32655, 39186, 64066, 64890, 65310, 96099, 97965, 160165, 192198, 195930, 224231, 288297, 320330, 448462, 480495, 576594, 672693, 960990, 1121155, 1345386, 1441485, 2018079, 2242310, 2882970, 3363465, 4036158, 6726930, 10090395, 20180790]

約数ペア:

[(1, 20180790), (2, 10090395), (3, 6726930), (5, 4036158), (6, 3363465), (7, 2882970), (9, 2242310), (10, 2018079), (14, 1441485), (15, 1345386), (18, 1121155), (21, 960990), (30, 672693), (35, 576594), (42, 480495), (45, 448462), (63, 320330), (70, 288297), (90, 224231), (103, 195930), (105, 192198), (126, 160165), (206, 97965), (210, 96099), (309, 65310), (311, 64890), (315, 64066), (515, 39186), (618, 32655), (622, 32445), (630, 32033), (721, 27990), (927, 21770), (933, 21630), (1030, 19593), (1442, 13995), (1545, 13062), (1555, 12978), (1854, 10885), (1866, 10815), (2163, 9330), (2177, 9270), (2799, 7210), (3090, 6531), (3110, 6489), (3605, 5598), (4326, 4665), (4354, 4635)]