40890480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 127384704

約数和(自身を除く): 86494224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 347, 491, 694, 982, 1041, 1388, 1473, 1735, 1964, 2082, 2455, 2776, 2946, 3470, 3928, 4164, 4910, 5205, 5552, 5892, 6940, 7365, 7856, 8328, 9820, 10410, 11784, 13880, 14730, 16656, 19640, 20820, 23568, 27760, 29460, 39280, 41640, 58920, 83280, 117840, 170377, 340754, 511131, 681508, 851885, 1022262, 1363016, 1703770, 2044524, 2555655, 2726032, 3407540, 4089048, 5111310, 6815080, 8178096, 10222620, 13630160, 20445240, 40890480]

約数ペア:

[(1, 40890480), (2, 20445240), (3, 13630160), (4, 10222620), (5, 8178096), (6, 6815080), (8, 5111310), (10, 4089048), (12, 3407540), (15, 2726032), (16, 2555655), (20, 2044524), (24, 1703770), (30, 1363016), (40, 1022262), (48, 851885), (60, 681508), (80, 511131), (120, 340754), (240, 170377), (347, 117840), (491, 83280), (694, 58920), (982, 41640), (1041, 39280), (1388, 29460), (1473, 27760), (1735, 23568), (1964, 20820), (2082, 19640), (2455, 16656), (2776, 14730), (2946, 13880), (3470, 11784), (3928, 10410), (4164, 9820), (4910, 8328), (5205, 7856), (5552, 7365), (5892, 6940)]