31883340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{829}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 89520480

約数和(自身を除く): 57637140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 641, 829, 1282, 1658, 1923, 2487, 2564, 3205, 3316, 3846, 4145, 4974, 6410, 7692, 8290, 9615, 9948, 12435, 12820, 16580, 19230, 24870, 38460, 49740, 531389, 1062778, 1594167, 2125556, 2656945, 3188334, 5313890, 6376668, 7970835, 10627780, 15941670, 31883340]

約数ペア:

[(1, 31883340), (2, 15941670), (3, 10627780), (4, 7970835), (5, 6376668), (6, 5313890), (10, 3188334), (12, 2656945), (15, 2125556), (20, 1594167), (30, 1062778), (60, 531389), (641, 49740), (829, 38460), (1282, 24870), (1658, 19230), (1923, 16580), (2487, 12820), (2564, 12435), (3205, 9948), (3316, 9615), (3846, 8290), (4145, 7692), (4974, 6410)]