2581680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 8285184

約数和(自身を除く): 5703504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 347, 372, 465, 496, 620, 694, 744, 930, 1041, 1240, 1388, 1488, 1735, 1860, 2082, 2480, 2776, 3470, 3720, 4164, 5205, 5552, 6940, 7440, 8328, 10410, 10757, 13880, 16656, 20820, 21514, 27760, 32271, 41640, 43028, 53785, 64542, 83280, 86056, 107570, 129084, 161355, 172112, 215140, 258168, 322710, 430280, 516336, 645420, 860560, 1290840, 2581680]

約数ペア:

[(1, 2581680), (2, 1290840), (3, 860560), (4, 645420), (5, 516336), (6, 430280), (8, 322710), (10, 258168), (12, 215140), (15, 172112), (16, 161355), (20, 129084), (24, 107570), (30, 86056), (31, 83280), (40, 64542), (48, 53785), (60, 43028), (62, 41640), (80, 32271), (93, 27760), (120, 21514), (124, 20820), (155, 16656), (186, 13880), (240, 10757), (248, 10410), (310, 8328), (347, 7440), (372, 6940), (465, 5552), (496, 5205), (620, 4164), (694, 3720), (744, 3470), (930, 2776), (1041, 2480), (1240, 2082), (1388, 1860), (1488, 1735)]