49999440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1151}}^1$

素因数の和:1348

約数の個数: 80

約数和(自身を含む): 155990016

約数和(自身を除く): 105990576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 724, 905, 1086, 1151, 1448, 1810, 2172, 2302, 2715, 2896, 3453, 3620, 4344, 4604, 5430, 5755, 6906, 7240, 8688, 9208, 10860, 11510, 13812, 14480, 17265, 18416, 21720, 23020, 27624, 34530, 43440, 46040, 55248, 69060, 92080, 138120, 208331, 276240, 416662, 624993, 833324, 1041655, 1249986, 1666648, 2083310, 2499972, 3124965, 3333296, 4166620, 4999944, 6249930, 8333240, 9999888, 12499860, 16666480, 24999720, 49999440]

約数ペア:

[(1, 49999440), (2, 24999720), (3, 16666480), (4, 12499860), (5, 9999888), (6, 8333240), (8, 6249930), (10, 4999944), (12, 4166620), (15, 3333296), (16, 3124965), (20, 2499972), (24, 2083310), (30, 1666648), (40, 1249986), (48, 1041655), (60, 833324), (80, 624993), (120, 416662), (181, 276240), (240, 208331), (362, 138120), (543, 92080), (724, 69060), (905, 55248), (1086, 46040), (1151, 43440), (1448, 34530), (1810, 27624), (2172, 23020), (2302, 21720), (2715, 18416), (2896, 17265), (3453, 14480), (3620, 13812), (4344, 11510), (4604, 10860), (5430, 9208), (5755, 8688), (6906, 7240)]