15289740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 46741968

約数和(自身を除く): 31452228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 491, 519, 692, 865, 982, 1038, 1473, 1557, 1730, 1964, 2076, 2455, 2595, 2946, 3114, 3460, 4419, 4910, 5190, 5892, 6228, 7365, 7785, 8838, 9820, 10380, 14730, 15570, 17676, 22095, 29460, 31140, 44190, 84943, 88380, 169886, 254829, 339772, 424715, 509658, 764487, 849430, 1019316, 1274145, 1528974, 1698860, 2548290, 3057948, 3822435, 5096580, 7644870, 15289740]

約数ペア:

[(1, 15289740), (2, 7644870), (3, 5096580), (4, 3822435), (5, 3057948), (6, 2548290), (9, 1698860), (10, 1528974), (12, 1274145), (15, 1019316), (18, 849430), (20, 764487), (30, 509658), (36, 424715), (45, 339772), (60, 254829), (90, 169886), (173, 88380), (180, 84943), (346, 44190), (491, 31140), (519, 29460), (692, 22095), (865, 17676), (982, 15570), (1038, 14730), (1473, 10380), (1557, 9820), (1730, 8838), (1964, 7785), (2076, 7365), (2455, 6228), (2595, 5892), (2946, 5190), (3114, 4910), (3460, 4419)]