87164820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5441}}^1$

素因数の和:5545

約数の個数: 72

約数和(自身を含む): 267419880

約数和(自身を除く): 180255060

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, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 5441, 8010, 10882, 16020, 16323, 21764, 27205, 32646, 48969, 54410, 65292, 81615, 97938, 108820, 163230, 195876, 244845, 326460, 484249, 489690, 968498, 979380, 1452747, 1936996, 2421245, 2905494, 4358241, 4842490, 5810988, 7263735, 8716482, 9684980, 14527470, 17432964, 21791205, 29054940, 43582410, 87164820]

約数ペア:

[(1, 87164820), (2, 43582410), (3, 29054940), (4, 21791205), (5, 17432964), (6, 14527470), (9, 9684980), (10, 8716482), (12, 7263735), (15, 5810988), (18, 4842490), (20, 4358241), (30, 2905494), (36, 2421245), (45, 1936996), (60, 1452747), (89, 979380), (90, 968498), (178, 489690), (180, 484249), (267, 326460), (356, 244845), (445, 195876), (534, 163230), (801, 108820), (890, 97938), (1068, 81615), (1335, 65292), (1602, 54410), (1780, 48969), (2670, 32646), (3204, 27205), (4005, 21764), (5340, 16323), (5441, 16020), (8010, 10882)]