61393640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 178053120

約数和(自身を除く): 116659480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 643, 682, 770, 868, 1085, 1240, 1286, 1364, 1540, 1705, 1736, 2170, 2387, 2572, 2728, 3080, 3215, 3410, 4340, 4501, 4774, 5144, 6430, 6820, 7073, 8680, 9002, 9548, 11935, 12860, 13640, 14146, 18004, 19096, 19933, 22505, 23870, 25720, 28292, 35365, 36008, 39866, 45010, 47740, 49511, 56584, 70730, 79732, 90020, 95480, 99022, 99665, 139531, 141460, 159464, 180040, 198044, 199330, 219263, 247555, 279062, 282920, 396088, 398660, 438526, 495110, 558124, 697655, 797320, 877052, 990220, 1096315, 1116248, 1395310, 1534841, 1754104, 1980440, 2192630, 2790620, 3069682, 4385260, 5581240, 6139364, 7674205, 8770520, 12278728, 15348410, 30696820, 61393640]

約数ペア:

[(1, 61393640), (2, 30696820), (4, 15348410), (5, 12278728), (7, 8770520), (8, 7674205), (10, 6139364), (11, 5581240), (14, 4385260), (20, 3069682), (22, 2790620), (28, 2192630), (31, 1980440), (35, 1754104), (40, 1534841), (44, 1395310), (55, 1116248), (56, 1096315), (62, 990220), (70, 877052), (77, 797320), (88, 697655), (110, 558124), (124, 495110), (140, 438526), (154, 398660), (155, 396088), (217, 282920), (220, 279062), (248, 247555), (280, 219263), (308, 199330), (310, 198044), (341, 180040), (385, 159464), (434, 141460), (440, 139531), (616, 99665), (620, 99022), (643, 95480), (682, 90020), (770, 79732), (868, 70730), (1085, 56584), (1240, 49511), (1286, 47740), (1364, 45010), (1540, 39866), (1705, 36008), (1736, 35365), (2170, 28292), (2387, 25720), (2572, 23870), (2728, 22505), (3080, 19933), (3215, 19096), (3410, 18004), (4340, 14146), (4501, 13640), (4774, 12860), (5144, 11935), (6430, 9548), (6820, 9002), (7073, 8680)]