13440780

素因数分解:

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

素因数の和:943

約数の個数: 72

約数和(自身を含む): 41277600

約数和(自身を除く): 27836820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 839, 890, 1068, 1335, 1602, 1678, 1780, 2517, 2670, 3204, 3356, 4005, 4195, 5034, 5340, 7551, 8010, 8390, 10068, 12585, 15102, 16020, 16780, 25170, 30204, 37755, 50340, 74671, 75510, 149342, 151020, 224013, 298684, 373355, 448026, 672039, 746710, 896052, 1120065, 1344078, 1493420, 2240130, 2688156, 3360195, 4480260, 6720390, 13440780]

約数ペア:

[(1, 13440780), (2, 6720390), (3, 4480260), (4, 3360195), (5, 2688156), (6, 2240130), (9, 1493420), (10, 1344078), (12, 1120065), (15, 896052), (18, 746710), (20, 672039), (30, 448026), (36, 373355), (45, 298684), (60, 224013), (89, 151020), (90, 149342), (178, 75510), (180, 74671), (267, 50340), (356, 37755), (445, 30204), (534, 25170), (801, 16780), (839, 16020), (890, 15102), (1068, 12585), (1335, 10068), (1602, 8390), (1678, 8010), (1780, 7551), (2517, 5340), (2670, 5034), (3204, 4195), (3356, 4005)]