51461640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{142949}}^1$

素因数の和:142966

約数の個数: 48

約数和(自身を含む): 167251500

約数和(自身を除く): 115789860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 142949, 285898, 428847, 571796, 714745, 857694, 1143592, 1286541, 1429490, 1715388, 2144235, 2573082, 2858980, 3430776, 4288470, 5146164, 5717960, 6432705, 8576940, 10292328, 12865410, 17153880, 25730820, 51461640]

約数ペア:

[(1, 51461640), (2, 25730820), (3, 17153880), (4, 12865410), (5, 10292328), (6, 8576940), (8, 6432705), (9, 5717960), (10, 5146164), (12, 4288470), (15, 3430776), (18, 2858980), (20, 2573082), (24, 2144235), (30, 1715388), (36, 1429490), (40, 1286541), (45, 1143592), (60, 857694), (72, 714745), (90, 571796), (120, 428847), (180, 285898), (360, 142949)]