742260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 2116800

約数和(自身を除く): 1374540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 139, 178, 267, 278, 356, 417, 445, 534, 556, 695, 834, 890, 1068, 1335, 1390, 1668, 1780, 2085, 2670, 2780, 4170, 5340, 8340, 12371, 24742, 37113, 49484, 61855, 74226, 123710, 148452, 185565, 247420, 371130, 742260]

約数ペア:

[(1, 742260), (2, 371130), (3, 247420), (4, 185565), (5, 148452), (6, 123710), (10, 74226), (12, 61855), (15, 49484), (20, 37113), (30, 24742), (60, 12371), (89, 8340), (139, 5340), (178, 4170), (267, 2780), (278, 2670), (356, 2085), (417, 1780), (445, 1668), (534, 1390), (556, 1335), (695, 1068), (834, 890)]