42439860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1873

約数の個数: 72

約数和(自身を含む): 129749256

約数和(自身を除く): 87309396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 1721, 2055, 2466, 2740, 3442, 4110, 4932, 5163, 6165, 6884, 8220, 8605, 10326, 12330, 15489, 17210, 20652, 24660, 25815, 30978, 34420, 51630, 61956, 77445, 103260, 154890, 235777, 309780, 471554, 707331, 943108, 1178885, 1414662, 2121993, 2357770, 2829324, 3536655, 4243986, 4715540, 7073310, 8487972, 10609965, 14146620, 21219930, 42439860]

約数ペア:

[(1, 42439860), (2, 21219930), (3, 14146620), (4, 10609965), (5, 8487972), (6, 7073310), (9, 4715540), (10, 4243986), (12, 3536655), (15, 2829324), (18, 2357770), (20, 2121993), (30, 1414662), (36, 1178885), (45, 943108), (60, 707331), (90, 471554), (137, 309780), (180, 235777), (274, 154890), (411, 103260), (548, 77445), (685, 61956), (822, 51630), (1233, 34420), (1370, 30978), (1644, 25815), (1721, 24660), (2055, 20652), (2466, 17210), (2740, 15489), (3442, 12330), (4110, 10326), (4932, 8605), (5163, 8220), (6165, 6884)]