2785663720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 288

約数和(自身を含む): 8005754880

約数和(自身を除く): 5220091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 49, 56, 62, 70, 76, 95, 98, 124, 127, 133, 140, 152, 155, 190, 196, 217, 245, 248, 254, 266, 280, 310, 361, 380, 392, 434, 490, 508, 532, 589, 620, 635, 665, 722, 760, 868, 889, 931, 980, 1016, 1064, 1085, 1178, 1240, 1270, 1330, 1444, 1519, 1736, 1778, 1805, 1862, 1960, 2170, 2356, 2413, 2527, 2540, 2660, 2888, 2945, 3038, 3556, 3610, 3724, 3937, 4123, 4340, 4445, 4655, 4712, 4826, 5054, 5080, 5320, 5890, 6076, 6223, 7112, 7220, 7448, 7595, 7874, 8246, 8680, 8890, 9310, 9652, 10108, 11191, 11780, 12065, 12152, 12446, 12635, 14440, 15190, 15748, 16492, 16891, 17689, 17780, 18620, 19304, 19685, 20216, 20615, 22382, 23560, 24130, 24892, 25270, 27559, 28861, 30380, 31115, 31496, 32984, 33782, 35378, 35560, 37240, 39370, 41230, 44764, 45847, 48260, 49784, 50540, 55118, 55955, 57722, 60760, 62230, 67564, 70756, 74803, 78337, 78740, 82460, 84455, 88445, 89528, 91694, 96520, 101080, 110236, 111910, 115444, 118237, 124460, 135128, 137795, 141512, 144305, 149606, 156674, 157480, 164920, 168910, 176890, 183388, 192913, 220472, 223820, 229235, 230888, 236474, 248920, 275590, 288610, 299212, 313348, 320929, 337820, 353780, 366776, 374015, 385826, 391685, 447640, 458470, 472948, 523621, 548359, 551180, 577220, 591185, 598424, 626696, 641858, 675640, 707560, 748030, 771652, 783370, 916940, 945896, 964565, 1047242, 1096718, 1102360, 1154440, 1182370, 1283716, 1421257, 1496060, 1543304, 1566740, 1604645, 1833880, 1929130, 2094484, 2193436, 2246503, 2364740, 2567432, 2618105, 2741795, 2842514, 2992120, 3133480, 3209290, 3665347, 3858260, 4188968, 4386872, 4493006, 4729480, 5236210, 5483590, 5685028, 6418580, 7106285, 7330694, 7716520, 8986012, 9948799, 10472420, 10967180, 11232515, 11370056, 12837160, 14212570, 14661388, 17972024, 18326735, 19897598, 20944840, 21934360, 22465030, 28425140, 29322776, 36653470, 39795196, 44930060, 49743995, 56850280, 69641593, 73306940, 79590392, 89860120, 99487990, 139283186, 146613880, 198975980, 278566372, 348207965, 397951960, 557132744, 696415930, 1392831860, 2785663720]

約数ペア:

[(1, 2785663720), (2, 1392831860), (4, 696415930), (5, 557132744), (7, 397951960), (8, 348207965), (10, 278566372), (14, 198975980), (19, 146613880), (20, 139283186), (28, 99487990), (31, 89860120), (35, 79590392), (38, 73306940), (40, 69641593), (49, 56850280), (56, 49743995), (62, 44930060), (70, 39795196), (76, 36653470), (95, 29322776), (98, 28425140), (124, 22465030), (127, 21934360), (133, 20944840), (140, 19897598), (152, 18326735), (155, 17972024), (190, 14661388), (196, 14212570), (217, 12837160), (245, 11370056), (248, 11232515), (254, 10967180), (266, 10472420), (280, 9948799), (310, 8986012), (361, 7716520), (380, 7330694), (392, 7106285), (434, 6418580), (490, 5685028), (508, 5483590), (532, 5236210), (589, 4729480), (620, 4493006), (635, 4386872), (665, 4188968), (722, 3858260), (760, 3665347), (868, 3209290), (889, 3133480), (931, 2992120), (980, 2842514), (1016, 2741795), (1064, 2618105), (1085, 2567432), (1178, 2364740), (1240, 2246503), (1270, 2193436), (1330, 2094484), (1444, 1929130), (1519, 1833880), (1736, 1604645), (1778, 1566740), (1805, 1543304), (1862, 1496060), (1960, 1421257), (2170, 1283716), (2356, 1182370), (2413, 1154440), (2527, 1102360), (2540, 1096718), (2660, 1047242), (2888, 964565), (2945, 945896), (3038, 916940), (3556, 783370), (3610, 771652), (3724, 748030), (3937, 707560), (4123, 675640), (4340, 641858), (4445, 626696), (4655, 598424), (4712, 591185), (4826, 577220), (5054, 551180), (5080, 548359), (5320, 523621), (5890, 472948), (6076, 458470), (6223, 447640), (7112, 391685), (7220, 385826), (7448, 374015), (7595, 366776), (7874, 353780), (8246, 337820), (8680, 320929), (8890, 313348), (9310, 299212), (9652, 288610), (10108, 275590), (11191, 248920), (11780, 236474), (12065, 230888), (12152, 229235), (12446, 223820), (12635, 220472), (14440, 192913), (15190, 183388), (15748, 176890), (16492, 168910), (16891, 164920), (17689, 157480), (17780, 156674), (18620, 149606), (19304, 144305), (19685, 141512), (20216, 137795), (20615, 135128), (22382, 124460), (23560, 118237), (24130, 115444), (24892, 111910), (25270, 110236), (27559, 101080), (28861, 96520), (30380, 91694), (31115, 89528), (31496, 88445), (32984, 84455), (33782, 82460), (35378, 78740), (35560, 78337), (37240, 74803), (39370, 70756), (41230, 67564), (44764, 62230), (45847, 60760), (48260, 57722), (49784, 55955), (50540, 55118)]