1221886890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 256

約数和(自身を含む): 3884682240

約数和(自身を除く): 2662795350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 37, 42, 45, 54, 63, 70, 74, 90, 101, 105, 111, 126, 135, 173, 185, 189, 202, 210, 222, 259, 270, 303, 315, 333, 346, 370, 378, 505, 518, 519, 555, 606, 630, 666, 707, 777, 865, 909, 945, 999, 1010, 1038, 1110, 1211, 1295, 1414, 1515, 1554, 1557, 1665, 1730, 1818, 1890, 1998, 2121, 2331, 2422, 2590, 2595, 2727, 3030, 3114, 3330, 3535, 3633, 3737, 3885, 4242, 4545, 4662, 4671, 4995, 5190, 5454, 6055, 6363, 6401, 6993, 7070, 7266, 7474, 7770, 7785, 9090, 9342, 9990, 10605, 10899, 11211, 11655, 12110, 12726, 12802, 13635, 13986, 15570, 17473, 18165, 18685, 19089, 19203, 21210, 21798, 22422, 23310, 23355, 26159, 27270, 31815, 32005, 32697, 33633, 34946, 34965, 36330, 37370, 38178, 38406, 44807, 46710, 52318, 52419, 54495, 56055, 57609, 63630, 64010, 65394, 67266, 69930, 78477, 87365, 89614, 95445, 96015, 100899, 104838, 108990, 112110, 115218, 122311, 130795, 134421, 156954, 157257, 163485, 168165, 172827, 174730, 190890, 192030, 201798, 224035, 235431, 244622, 261590, 262095, 268842, 288045, 314514, 326970, 336330, 345654, 366933, 392385, 403263, 448070, 470862, 471771, 504495, 524190, 576090, 611555, 646501, 672105, 706293, 733866, 784770, 786285, 806526, 864135, 943542, 1008990, 1100799, 1177155, 1209789, 1223110, 1293002, 1344210, 1412586, 1572570, 1728270, 1834665, 1939503, 2016315, 2201598, 2354310, 2358855, 2419578, 3232505, 3302397, 3531465, 3669330, 3879006, 4032630, 4525507, 4717710, 5503995, 5818509, 6048945, 6465010, 6604794, 7062930, 9051014, 9697515, 11007990, 11637018, 12097890, 13576521, 16511985, 17455527, 19395030, 22627535, 27153042, 29092545, 33023970, 34911054, 40729563, 45255070, 58185090, 67882605, 81459126, 87277635, 122188689, 135765210, 174555270, 203647815, 244377378, 407295630, 610943445, 1221886890]

約数ペア:

[(1, 1221886890), (2, 610943445), (3, 407295630), (5, 244377378), (6, 203647815), (7, 174555270), (9, 135765210), (10, 122188689), (14, 87277635), (15, 81459126), (18, 67882605), (21, 58185090), (27, 45255070), (30, 40729563), (35, 34911054), (37, 33023970), (42, 29092545), (45, 27153042), (54, 22627535), (63, 19395030), (70, 17455527), (74, 16511985), (90, 13576521), (101, 12097890), (105, 11637018), (111, 11007990), (126, 9697515), (135, 9051014), (173, 7062930), (185, 6604794), (189, 6465010), (202, 6048945), (210, 5818509), (222, 5503995), (259, 4717710), (270, 4525507), (303, 4032630), (315, 3879006), (333, 3669330), (346, 3531465), (370, 3302397), (378, 3232505), (505, 2419578), (518, 2358855), (519, 2354310), (555, 2201598), (606, 2016315), (630, 1939503), (666, 1834665), (707, 1728270), (777, 1572570), (865, 1412586), (909, 1344210), (945, 1293002), (999, 1223110), (1010, 1209789), (1038, 1177155), (1110, 1100799), (1211, 1008990), (1295, 943542), (1414, 864135), (1515, 806526), (1554, 786285), (1557, 784770), (1665, 733866), (1730, 706293), (1818, 672105), (1890, 646501), (1998, 611555), (2121, 576090), (2331, 524190), (2422, 504495), (2590, 471771), (2595, 470862), (2727, 448070), (3030, 403263), (3114, 392385), (3330, 366933), (3535, 345654), (3633, 336330), (3737, 326970), (3885, 314514), (4242, 288045), (4545, 268842), (4662, 262095), (4671, 261590), (4995, 244622), (5190, 235431), (5454, 224035), (6055, 201798), (6363, 192030), (6401, 190890), (6993, 174730), (7070, 172827), (7266, 168165), (7474, 163485), (7770, 157257), (7785, 156954), (9090, 134421), (9342, 130795), (9990, 122311), (10605, 115218), (10899, 112110), (11211, 108990), (11655, 104838), (12110, 100899), (12726, 96015), (12802, 95445), (13635, 89614), (13986, 87365), (15570, 78477), (17473, 69930), (18165, 67266), (18685, 65394), (19089, 64010), (19203, 63630), (21210, 57609), (21798, 56055), (22422, 54495), (23310, 52419), (23355, 52318), (26159, 46710), (27270, 44807), (31815, 38406), (32005, 38178), (32697, 37370), (33633, 36330), (34946, 34965)]