261645888

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 224

約数和(自身を含む): 841248000

約数和(自身を除く): 579602112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 64, 84, 87, 96, 98, 112, 116, 137, 147, 168, 174, 192, 196, 203, 224, 232, 274, 294, 336, 343, 348, 392, 406, 411, 448, 464, 548, 588, 609, 672, 686, 696, 784, 812, 822, 928, 959, 1029, 1096, 1176, 1218, 1344, 1372, 1392, 1421, 1568, 1624, 1644, 1856, 1918, 2058, 2192, 2352, 2436, 2744, 2784, 2842, 2877, 3136, 3248, 3288, 3836, 3973, 4116, 4263, 4384, 4704, 4872, 5488, 5568, 5684, 5754, 6496, 6576, 6713, 7672, 7946, 8232, 8526, 8768, 9408, 9744, 9947, 10976, 11368, 11508, 11919, 12992, 13152, 13426, 15344, 15892, 16464, 17052, 19488, 19894, 20139, 21952, 22736, 23016, 23838, 26304, 26852, 27811, 29841, 30688, 31784, 32928, 34104, 38976, 39788, 40278, 45472, 46032, 46991, 47676, 53704, 55622, 59682, 61376, 63568, 65856, 68208, 79576, 80556, 83433, 90944, 92064, 93982, 95352, 107408, 111244, 119364, 127136, 136416, 140973, 159152, 161112, 166866, 184128, 187964, 190704, 194677, 214816, 222488, 238728, 254272, 272832, 281946, 318304, 322224, 333732, 375928, 381408, 389354, 429632, 444976, 477456, 563892, 584031, 636608, 644448, 667464, 751856, 762816, 778708, 889952, 954912, 1127784, 1168062, 1288896, 1334928, 1362739, 1503712, 1557416, 1779904, 1909824, 2255568, 2336124, 2669856, 2725478, 3007424, 3114832, 4088217, 4511136, 4672248, 5339712, 5450956, 6229664, 8176434, 9022272, 9344496, 10901912, 12459328, 16352868, 18688992, 21803824, 32705736, 37377984, 43607648, 65411472, 87215296, 130822944, 261645888]

約数ペア:

[(1, 261645888), (2, 130822944), (3, 87215296), (4, 65411472), (6, 43607648), (7, 37377984), (8, 32705736), (12, 21803824), (14, 18688992), (16, 16352868), (21, 12459328), (24, 10901912), (28, 9344496), (29, 9022272), (32, 8176434), (42, 6229664), (48, 5450956), (49, 5339712), (56, 4672248), (58, 4511136), (64, 4088217), (84, 3114832), (87, 3007424), (96, 2725478), (98, 2669856), (112, 2336124), (116, 2255568), (137, 1909824), (147, 1779904), (168, 1557416), (174, 1503712), (192, 1362739), (196, 1334928), (203, 1288896), (224, 1168062), (232, 1127784), (274, 954912), (294, 889952), (336, 778708), (343, 762816), (348, 751856), (392, 667464), (406, 644448), (411, 636608), (448, 584031), (464, 563892), (548, 477456), (588, 444976), (609, 429632), (672, 389354), (686, 381408), (696, 375928), (784, 333732), (812, 322224), (822, 318304), (928, 281946), (959, 272832), (1029, 254272), (1096, 238728), (1176, 222488), (1218, 214816), (1344, 194677), (1372, 190704), (1392, 187964), (1421, 184128), (1568, 166866), (1624, 161112), (1644, 159152), (1856, 140973), (1918, 136416), (2058, 127136), (2192, 119364), (2352, 111244), (2436, 107408), (2744, 95352), (2784, 93982), (2842, 92064), (2877, 90944), (3136, 83433), (3248, 80556), (3288, 79576), (3836, 68208), (3973, 65856), (4116, 63568), (4263, 61376), (4384, 59682), (4704, 55622), (4872, 53704), (5488, 47676), (5568, 46991), (5684, 46032), (5754, 45472), (6496, 40278), (6576, 39788), (6713, 38976), (7672, 34104), (7946, 32928), (8232, 31784), (8526, 30688), (8768, 29841), (9408, 27811), (9744, 26852), (9947, 26304), (10976, 23838), (11368, 23016), (11508, 22736), (11919, 21952), (12992, 20139), (13152, 19894), (13426, 19488), (15344, 17052), (15892, 16464)]