6720390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 17690400

約数和(自身を除く): 10970010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 839, 890, 1335, 1602, 1678, 2517, 2670, 4005, 4195, 5034, 7551, 8010, 8390, 12585, 15102, 25170, 37755, 74671, 75510, 149342, 224013, 373355, 448026, 672039, 746710, 1120065, 1344078, 2240130, 3360195, 6720390]

約数ペア:

[(1, 6720390), (2, 3360195), (3, 2240130), (5, 1344078), (6, 1120065), (9, 746710), (10, 672039), (15, 448026), (18, 373355), (30, 224013), (45, 149342), (89, 75510), (90, 74671), (178, 37755), (267, 25170), (445, 15102), (534, 12585), (801, 8390), (839, 8010), (890, 7551), (1335, 5034), (1602, 4195), (1678, 4005), (2517, 2670)]