421965396640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1671

約数の個数: 192

約数和(自身を含む): 1061529815808

約数和(自身を除く): 639564419168

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 461, 487, 544, 680, 691, 922, 974, 1360, 1382, 1844, 1948, 2305, 2435, 2720, 2764, 3455, 3688, 3896, 4610, 4870, 5528, 6910, 7376, 7792, 7837, 8279, 9220, 9740, 11056, 11747, 13820, 14752, 15584, 15674, 16558, 18440, 19480, 22112, 23494, 27640, 31348, 33116, 36880, 38960, 39185, 41395, 46988, 55280, 58735, 62696, 66232, 73760, 77920, 78370, 82790, 93976, 110560, 117470, 125392, 132464, 156740, 165580, 187952, 224507, 234940, 250784, 264928, 313480, 318551, 331160, 336517, 375904, 449014, 469880, 626960, 637102, 662320, 673034, 898028, 939760, 1122535, 1253920, 1274204, 1324640, 1346068, 1592755, 1682585, 1796056, 1879520, 2245070, 2548408, 2692136, 3185510, 3365170, 3592112, 3816619, 4490140, 5096816, 5384272, 5415367, 5720789, 6371020, 6730340, 7184224, 7633238, 8980280, 10193632, 10768544, 10830734, 11441578, 12742040, 13460680, 15266476, 17960560, 19083095, 21661468, 22883156, 25484080, 26921360, 27076835, 28603945, 30532952, 35921120, 38166190, 43322936, 45766312, 50968160, 53842720, 54153670, 57207890, 61065904, 76332380, 86645872, 91532624, 108307340, 114415780, 122131808, 152664760, 155134337, 173291744, 183065248, 216614680, 228831560, 305329520, 310268674, 433229360, 457663120, 610659040, 620537348, 775671685, 866458720, 915326240, 1241074696, 1551343370, 2482149392, 2637283729, 3102686740, 4964298784, 5274567458, 6205373480, 10549134916, 12410746960, 13186418645, 21098269832, 24821493920, 26372837290, 42196539664, 52745674580, 84393079328, 105491349160, 210982698320, 421965396640]

約数ペア:

[(1, 421965396640), (2, 210982698320), (4, 105491349160), (5, 84393079328), (8, 52745674580), (10, 42196539664), (16, 26372837290), (17, 24821493920), (20, 21098269832), (32, 13186418645), (34, 12410746960), (40, 10549134916), (68, 6205373480), (80, 5274567458), (85, 4964298784), (136, 3102686740), (160, 2637283729), (170, 2482149392), (272, 1551343370), (340, 1241074696), (461, 915326240), (487, 866458720), (544, 775671685), (680, 620537348), (691, 610659040), (922, 457663120), (974, 433229360), (1360, 310268674), (1382, 305329520), (1844, 228831560), (1948, 216614680), (2305, 183065248), (2435, 173291744), (2720, 155134337), (2764, 152664760), (3455, 122131808), (3688, 114415780), (3896, 108307340), (4610, 91532624), (4870, 86645872), (5528, 76332380), (6910, 61065904), (7376, 57207890), (7792, 54153670), (7837, 53842720), (8279, 50968160), (9220, 45766312), (9740, 43322936), (11056, 38166190), (11747, 35921120), (13820, 30532952), (14752, 28603945), (15584, 27076835), (15674, 26921360), (16558, 25484080), (18440, 22883156), (19480, 21661468), (22112, 19083095), (23494, 17960560), (27640, 15266476), (31348, 13460680), (33116, 12742040), (36880, 11441578), (38960, 10830734), (39185, 10768544), (41395, 10193632), (46988, 8980280), (55280, 7633238), (58735, 7184224), (62696, 6730340), (66232, 6371020), (73760, 5720789), (77920, 5415367), (78370, 5384272), (82790, 5096816), (93976, 4490140), (110560, 3816619), (117470, 3592112), (125392, 3365170), (132464, 3185510), (156740, 2692136), (165580, 2548408), (187952, 2245070), (224507, 1879520), (234940, 1796056), (250784, 1682585), (264928, 1592755), (313480, 1346068), (318551, 1324640), (331160, 1274204), (336517, 1253920), (375904, 1122535), (449014, 939760), (469880, 898028), (626960, 673034), (637102, 662320)]