213380820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1307}}^1$

素因数の和:2229

約数の個数: 72

約数和(自身を含む): 648464544

約数和(自身を除く): 435083724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 907, 1307, 1814, 2614, 2721, 3628, 3921, 4535, 5228, 5442, 6535, 7842, 8163, 9070, 10884, 11763, 13070, 13605, 15684, 16326, 18140, 19605, 23526, 26140, 27210, 32652, 39210, 40815, 47052, 54420, 58815, 78420, 81630, 117630, 163260, 235260, 1185449, 2370898, 3556347, 4741796, 5927245, 7112694, 10669041, 11854490, 14225388, 17781735, 21338082, 23708980, 35563470, 42676164, 53345205, 71126940, 106690410, 213380820]

約数ペア:

[(1, 213380820), (2, 106690410), (3, 71126940), (4, 53345205), (5, 42676164), (6, 35563470), (9, 23708980), (10, 21338082), (12, 17781735), (15, 14225388), (18, 11854490), (20, 10669041), (30, 7112694), (36, 5927245), (45, 4741796), (60, 3556347), (90, 2370898), (180, 1185449), (907, 235260), (1307, 163260), (1814, 117630), (2614, 81630), (2721, 78420), (3628, 58815), (3921, 54420), (4535, 47052), (5228, 40815), (5442, 39210), (6535, 32652), (7842, 27210), (8163, 26140), (9070, 23526), (10884, 19605), (11763, 18140), (13070, 16326), (13605, 15684)]