171251440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 414259200

約数和(自身を除く): 243007760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 199, 248, 310, 347, 398, 496, 620, 694, 796, 995, 1240, 1388, 1592, 1735, 1990, 2480, 2776, 3184, 3470, 3980, 5552, 6169, 6940, 7960, 10757, 12338, 13880, 15920, 21514, 24676, 27760, 30845, 43028, 49352, 53785, 61690, 69053, 86056, 98704, 107570, 123380, 138106, 172112, 215140, 246760, 276212, 345265, 430280, 493520, 552424, 690530, 860560, 1104848, 1381060, 2140643, 2762120, 4281286, 5524240, 8562572, 10703215, 17125144, 21406430, 34250288, 42812860, 85625720, 171251440]

約数ペア:

[(1, 171251440), (2, 85625720), (4, 42812860), (5, 34250288), (8, 21406430), (10, 17125144), (16, 10703215), (20, 8562572), (31, 5524240), (40, 4281286), (62, 2762120), (80, 2140643), (124, 1381060), (155, 1104848), (199, 860560), (248, 690530), (310, 552424), (347, 493520), (398, 430280), (496, 345265), (620, 276212), (694, 246760), (796, 215140), (995, 172112), (1240, 138106), (1388, 123380), (1592, 107570), (1735, 98704), (1990, 86056), (2480, 69053), (2776, 61690), (3184, 53785), (3470, 49352), (3980, 43028), (5552, 30845), (6169, 27760), (6940, 24676), (7960, 21514), (10757, 15920), (12338, 13880)]