1991235068480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{142619}}^1$

素因数の和:142937

約数の個数: 224

約数和(自身を含む): 5675518402560

約数和(自身を除く): 3684283334080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 271, 280, 320, 322, 368, 448, 460, 542, 560, 644, 736, 805, 920, 1084, 1120, 1288, 1355, 1472, 1610, 1840, 1897, 2168, 2240, 2576, 2710, 3220, 3680, 3794, 4336, 5152, 5420, 6233, 6440, 7360, 7588, 8672, 9485, 10304, 10840, 12466, 12880, 15176, 17344, 18970, 21680, 24932, 25760, 30352, 31165, 37940, 43360, 43631, 49864, 51520, 60704, 62330, 75880, 86720, 87262, 99728, 121408, 124660, 142619, 151760, 174524, 199456, 218155, 249320, 285238, 303520, 349048, 398912, 436310, 498640, 570476, 607040, 698096, 713095, 872620, 997280, 998333, 1140952, 1396192, 1426190, 1745240, 1994560, 1996666, 2281904, 2792384, 2852380, 3280237, 3490480, 3993332, 4563808, 4991665, 5704760, 6560474, 6980960, 7986664, 9127616, 9983330, 11409520, 13120948, 13961920, 15973328, 16401185, 19966660, 22819040, 22961659, 26241896, 31946656, 32802370, 38649749, 39933320, 45638080, 45923318, 52483792, 63893312, 65604740, 77299498, 79866640, 91846636, 104967584, 114808295, 131209480, 154598996, 159733280, 183693272, 193248745, 209935168, 229616590, 262418960, 270548243, 309197992, 319466560, 367386544, 386497490, 459233180, 524837920, 541096486, 618395984, 734773088, 772994980, 888944227, 918466360, 1049675840, 1082192972, 1236791968, 1352741215, 1469546176, 1545989960, 1777888454, 1836932720, 2164385944, 2473583936, 2705482430, 3091979920, 3555776908, 3673865440, 4328771888, 4444721135, 5410964860, 6183959840, 6222609589, 7111553816, 7347730880, 8657543776, 8889442270, 10821929720, 12367919680, 12445219178, 14223107632, 17315087552, 17778884540, 21643859440, 24890438356, 28446215264, 31113047945, 35557769080, 43287718880, 49780876712, 56892430528, 62226095890, 71115538160, 86575437760, 99561753424, 124452191780, 142231076320, 199123506848, 248904383560, 284462152640, 398247013696, 497808767120, 995617534240, 1991235068480]

約数ペア:

[(1, 1991235068480), (2, 995617534240), (4, 497808767120), (5, 398247013696), (7, 284462152640), (8, 248904383560), (10, 199123506848), (14, 142231076320), (16, 124452191780), (20, 99561753424), (23, 86575437760), (28, 71115538160), (32, 62226095890), (35, 56892430528), (40, 49780876712), (46, 43287718880), (56, 35557769080), (64, 31113047945), (70, 28446215264), (80, 24890438356), (92, 21643859440), (112, 17778884540), (115, 17315087552), (140, 14223107632), (160, 12445219178), (161, 12367919680), (184, 10821929720), (224, 8889442270), (230, 8657543776), (271, 7347730880), (280, 7111553816), (320, 6222609589), (322, 6183959840), (368, 5410964860), (448, 4444721135), (460, 4328771888), (542, 3673865440), (560, 3555776908), (644, 3091979920), (736, 2705482430), (805, 2473583936), (920, 2164385944), (1084, 1836932720), (1120, 1777888454), (1288, 1545989960), (1355, 1469546176), (1472, 1352741215), (1610, 1236791968), (1840, 1082192972), (1897, 1049675840), (2168, 918466360), (2240, 888944227), (2576, 772994980), (2710, 734773088), (3220, 618395984), (3680, 541096486), (3794, 524837920), (4336, 459233180), (5152, 386497490), (5420, 367386544), (6233, 319466560), (6440, 309197992), (7360, 270548243), (7588, 262418960), (8672, 229616590), (9485, 209935168), (10304, 193248745), (10840, 183693272), (12466, 159733280), (12880, 154598996), (15176, 131209480), (17344, 114808295), (18970, 104967584), (21680, 91846636), (24932, 79866640), (25760, 77299498), (30352, 65604740), (31165, 63893312), (37940, 52483792), (43360, 45923318), (43631, 45638080), (49864, 39933320), (51520, 38649749), (60704, 32802370), (62330, 31946656), (75880, 26241896), (86720, 22961659), (87262, 22819040), (99728, 19966660), (121408, 16401185), (124660, 15973328), (142619, 13961920), (151760, 13120948), (174524, 11409520), (199456, 9983330), (218155, 9127616), (249320, 7986664), (285238, 6980960), (303520, 6560474), (349048, 5704760), (398912, 4991665), (436310, 4563808), (498640, 3993332), (570476, 3490480), (607040, 3280237), (698096, 2852380), (713095, 2792384), (872620, 2281904), (997280, 1996666), (998333, 1994560), (1140952, 1745240), (1396192, 1426190)]