15888976020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{635051}}^1$

素因数の和:635205

約数の個数: 72

約数和(自身を含む): 48543374880

約数和(自身を除く): 32654398860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 635051, 1270102, 1905153, 2540204, 3175255, 3810306, 5715459, 6350510, 7620612, 9525765, 11430918, 12701020, 19051530, 22861836, 28577295, 38103060, 57154590, 88272089, 114309180, 176544178, 264816267, 353088356, 441360445, 529632534, 794448801, 882720890, 1059265068, 1324081335, 1588897602, 1765441780, 2648162670, 3177795204, 3972244005, 5296325340, 7944488010, 15888976020]

約数ペア:

[(1, 15888976020), (2, 7944488010), (3, 5296325340), (4, 3972244005), (5, 3177795204), (6, 2648162670), (9, 1765441780), (10, 1588897602), (12, 1324081335), (15, 1059265068), (18, 882720890), (20, 794448801), (30, 529632534), (36, 441360445), (45, 353088356), (60, 264816267), (90, 176544178), (139, 114309180), (180, 88272089), (278, 57154590), (417, 38103060), (556, 28577295), (695, 22861836), (834, 19051530), (1251, 12701020), (1390, 11430918), (1668, 9525765), (2085, 7620612), (2502, 6350510), (2780, 5715459), (4170, 3810306), (5004, 3175255), (6255, 2540204), (8340, 1905153), (12510, 1270102), (25020, 635051)]