40564980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1259}}^1$

素因数の和:1453

約数の個数: 72

約数和(自身を含む): 123832800

約数和(自身を除く): 83267820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 716, 895, 1074, 1259, 1611, 1790, 2148, 2518, 2685, 3222, 3580, 3777, 5036, 5370, 6295, 6444, 7554, 8055, 10740, 11331, 12590, 15108, 16110, 18885, 22662, 25180, 32220, 37770, 45324, 56655, 75540, 113310, 225361, 226620, 450722, 676083, 901444, 1126805, 1352166, 2028249, 2253610, 2704332, 3380415, 4056498, 4507220, 6760830, 8112996, 10141245, 13521660, 20282490, 40564980]

約数ペア:

[(1, 40564980), (2, 20282490), (3, 13521660), (4, 10141245), (5, 8112996), (6, 6760830), (9, 4507220), (10, 4056498), (12, 3380415), (15, 2704332), (18, 2253610), (20, 2028249), (30, 1352166), (36, 1126805), (45, 901444), (60, 676083), (90, 450722), (179, 226620), (180, 225361), (358, 113310), (537, 75540), (716, 56655), (895, 45324), (1074, 37770), (1259, 32220), (1611, 25180), (1790, 22662), (2148, 18885), (2518, 16110), (2685, 15108), (3222, 12590), (3580, 11331), (3777, 10740), (5036, 8055), (5370, 7554), (6295, 6444)]