240705080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2581

約数の個数: 128

約数和(自身を含む): 697282560

約数和(自身を除く): 456577480

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, 682, 770, 868, 1085, 1240, 1364, 1540, 1705, 1736, 2170, 2387, 2521, 2728, 3080, 3410, 4340, 4774, 5042, 6820, 8680, 9548, 10084, 11935, 12605, 13640, 17647, 19096, 20168, 23870, 25210, 27731, 35294, 47740, 50420, 55462, 70588, 78151, 88235, 95480, 100840, 110924, 138655, 141176, 156302, 176470, 194117, 221848, 277310, 312604, 352940, 388234, 390755, 547057, 554620, 625208, 705880, 776468, 781510, 859661, 970585, 1094114, 1109240, 1552936, 1563020, 1719322, 1941170, 2188228, 2735285, 3126040, 3438644, 3882340, 4298305, 4376456, 5470570, 6017627, 6877288, 7764680, 8596610, 10941140, 12035254, 17193220, 21882280, 24070508, 30088135, 34386440, 48141016, 60176270, 120352540, 240705080]

約数ペア:

[(1, 240705080), (2, 120352540), (4, 60176270), (5, 48141016), (7, 34386440), (8, 30088135), (10, 24070508), (11, 21882280), (14, 17193220), (20, 12035254), (22, 10941140), (28, 8596610), (31, 7764680), (35, 6877288), (40, 6017627), (44, 5470570), (55, 4376456), (56, 4298305), (62, 3882340), (70, 3438644), (77, 3126040), (88, 2735285), (110, 2188228), (124, 1941170), (140, 1719322), (154, 1563020), (155, 1552936), (217, 1109240), (220, 1094114), (248, 970585), (280, 859661), (308, 781510), (310, 776468), (341, 705880), (385, 625208), (434, 554620), (440, 547057), (616, 390755), (620, 388234), (682, 352940), (770, 312604), (868, 277310), (1085, 221848), (1240, 194117), (1364, 176470), (1540, 156302), (1705, 141176), (1736, 138655), (2170, 110924), (2387, 100840), (2521, 95480), (2728, 88235), (3080, 78151), (3410, 70588), (4340, 55462), (4774, 50420), (5042, 47740), (6820, 35294), (8680, 27731), (9548, 25210), (10084, 23870), (11935, 20168), (12605, 19096), (13640, 17647)]