1970202520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:378

約数の個数: 256

約数和(自身を含む): 5527388160

約数和(自身を除く): 3557185640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 41, 44, 52, 55, 62, 65, 82, 88, 104, 110, 124, 130, 143, 155, 164, 205, 220, 248, 260, 271, 286, 310, 328, 341, 403, 410, 440, 451, 520, 533, 542, 572, 620, 682, 715, 806, 820, 902, 1066, 1084, 1144, 1240, 1271, 1355, 1364, 1430, 1612, 1640, 1705, 1804, 2015, 2132, 2168, 2255, 2542, 2665, 2710, 2728, 2860, 2981, 3224, 3410, 3523, 3608, 4030, 4264, 4433, 4510, 5084, 5330, 5420, 5720, 5863, 5962, 6355, 6820, 7046, 8060, 8401, 8866, 9020, 10168, 10660, 10840, 11111, 11726, 11924, 12710, 13640, 13981, 14092, 14905, 16120, 16523, 16802, 17615, 17732, 18040, 21320, 22165, 22222, 23452, 23848, 25420, 27962, 28184, 29315, 29810, 33046, 33604, 35230, 35464, 38753, 42005, 44330, 44444, 46904, 50840, 55555, 55924, 58630, 59620, 66092, 67208, 69905, 70460, 77506, 82615, 84010, 88660, 88888, 92411, 109213, 111110, 111848, 117260, 119240, 122221, 132184, 139810, 140920, 144443, 155012, 165230, 168020, 177320, 181753, 184822, 193765, 218426, 222220, 234520, 244442, 279620, 288886, 310024, 330460, 336040, 344441, 363506, 369644, 387530, 436852, 444440, 462055, 488884, 546065, 559240, 577772, 611105, 660920, 688882, 722215, 727012, 739288, 775060, 873704, 908765, 924110, 977768, 1092130, 1155544, 1201343, 1222210, 1377764, 1444430, 1454024, 1550120, 1588873, 1722205, 1817530, 1848220, 2184260, 2402686, 2444420, 2755528, 2888860, 3177746, 3444410, 3635060, 3696440, 3788851, 4368520, 4477733, 4805372, 4888840, 5777720, 6006715, 6355492, 6888820, 7270120, 7577702, 7944365, 8955466, 9610744, 12013430, 12710984, 13777640, 15155404, 15888730, 17910932, 18944255, 22388665, 24026860, 30310808, 31777460, 35821864, 37888510, 44777330, 48053720, 49255063, 63554920, 75777020, 89554660, 98510126, 151554040, 179109320, 197020252, 246275315, 394040504, 492550630, 985101260, 1970202520]

約数ペア:

[(1, 1970202520), (2, 985101260), (4, 492550630), (5, 394040504), (8, 246275315), (10, 197020252), (11, 179109320), (13, 151554040), (20, 98510126), (22, 89554660), (26, 75777020), (31, 63554920), (40, 49255063), (41, 48053720), (44, 44777330), (52, 37888510), (55, 35821864), (62, 31777460), (65, 30310808), (82, 24026860), (88, 22388665), (104, 18944255), (110, 17910932), (124, 15888730), (130, 15155404), (143, 13777640), (155, 12710984), (164, 12013430), (205, 9610744), (220, 8955466), (248, 7944365), (260, 7577702), (271, 7270120), (286, 6888820), (310, 6355492), (328, 6006715), (341, 5777720), (403, 4888840), (410, 4805372), (440, 4477733), (451, 4368520), (520, 3788851), (533, 3696440), (542, 3635060), (572, 3444410), (620, 3177746), (682, 2888860), (715, 2755528), (806, 2444420), (820, 2402686), (902, 2184260), (1066, 1848220), (1084, 1817530), (1144, 1722205), (1240, 1588873), (1271, 1550120), (1355, 1454024), (1364, 1444430), (1430, 1377764), (1612, 1222210), (1640, 1201343), (1705, 1155544), (1804, 1092130), (2015, 977768), (2132, 924110), (2168, 908765), (2255, 873704), (2542, 775060), (2665, 739288), (2710, 727012), (2728, 722215), (2860, 688882), (2981, 660920), (3224, 611105), (3410, 577772), (3523, 559240), (3608, 546065), (4030, 488884), (4264, 462055), (4433, 444440), (4510, 436852), (5084, 387530), (5330, 369644), (5420, 363506), (5720, 344441), (5863, 336040), (5962, 330460), (6355, 310024), (6820, 288886), (7046, 279620), (8060, 244442), (8401, 234520), (8866, 222220), (9020, 218426), (10168, 193765), (10660, 184822), (10840, 181753), (11111, 177320), (11726, 168020), (11924, 165230), (12710, 155012), (13640, 144443), (13981, 140920), (14092, 139810), (14905, 132184), (16120, 122221), (16523, 119240), (16802, 117260), (17615, 111848), (17732, 111110), (18040, 109213), (21320, 92411), (22165, 88888), (22222, 88660), (23452, 84010), (23848, 82615), (25420, 77506), (27962, 70460), (28184, 69905), (29315, 67208), (29810, 66092), (33046, 59620), (33604, 58630), (35230, 55924), (35464, 55555), (38753, 50840), (42005, 46904), (44330, 44444)]