661612896

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 216

約数和(自身を含む): 2209413024

約数和(自身を除く): 1547800128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 173, 196, 224, 252, 271, 288, 294, 336, 346, 392, 441, 504, 519, 542, 588, 672, 692, 784, 813, 882, 1008, 1038, 1084, 1176, 1211, 1384, 1557, 1568, 1626, 1764, 1897, 2016, 2076, 2168, 2352, 2422, 2439, 2768, 3114, 3252, 3528, 3633, 3794, 4152, 4336, 4704, 4844, 4878, 5536, 5691, 6228, 6504, 7056, 7266, 7588, 8304, 8477, 8672, 9688, 9756, 10899, 11382, 12456, 13008, 13279, 14112, 14532, 15176, 16608, 16954, 17073, 19376, 19512, 21798, 22764, 24912, 25431, 26016, 26558, 29064, 30352, 33908, 34146, 38752, 39024, 39837, 43596, 45528, 46883, 49824, 50862, 53116, 58128, 60704, 67816, 68292, 76293, 78048, 79674, 87192, 91056, 93766, 101724, 106232, 116256, 119511, 135632, 136584, 140649, 152586, 159348, 174384, 182112, 187532, 203448, 212464, 239022, 271264, 273168, 281298, 305172, 318696, 328181, 348768, 375064, 406896, 421947, 424928, 478044, 546336, 562596, 610344, 637392, 656362, 750128, 813792, 843894, 956088, 984543, 1125192, 1220688, 1274784, 1312724, 1500256, 1687788, 1912176, 1969086, 2250384, 2297267, 2441376, 2625448, 2953629, 3375576, 3824352, 3938172, 4500768, 4594534, 5250896, 5907258, 6751152, 6891801, 7876344, 9189068, 10501792, 11814516, 13502304, 13783602, 15752688, 18378136, 20675403, 23629032, 27567204, 31505376, 36756272, 41350806, 47258064, 55134408, 73512544, 82701612, 94516128, 110268816, 165403224, 220537632, 330806448, 661612896]

約数ペア:

[(1, 661612896), (2, 330806448), (3, 220537632), (4, 165403224), (6, 110268816), (7, 94516128), (8, 82701612), (9, 73512544), (12, 55134408), (14, 47258064), (16, 41350806), (18, 36756272), (21, 31505376), (24, 27567204), (28, 23629032), (32, 20675403), (36, 18378136), (42, 15752688), (48, 13783602), (49, 13502304), (56, 11814516), (63, 10501792), (72, 9189068), (84, 7876344), (96, 6891801), (98, 6751152), (112, 5907258), (126, 5250896), (144, 4594534), (147, 4500768), (168, 3938172), (173, 3824352), (196, 3375576), (224, 2953629), (252, 2625448), (271, 2441376), (288, 2297267), (294, 2250384), (336, 1969086), (346, 1912176), (392, 1687788), (441, 1500256), (504, 1312724), (519, 1274784), (542, 1220688), (588, 1125192), (672, 984543), (692, 956088), (784, 843894), (813, 813792), (882, 750128), (1008, 656362), (1038, 637392), (1084, 610344), (1176, 562596), (1211, 546336), (1384, 478044), (1557, 424928), (1568, 421947), (1626, 406896), (1764, 375064), (1897, 348768), (2016, 328181), (2076, 318696), (2168, 305172), (2352, 281298), (2422, 273168), (2439, 271264), (2768, 239022), (3114, 212464), (3252, 203448), (3528, 187532), (3633, 182112), (3794, 174384), (4152, 159348), (4336, 152586), (4704, 140649), (4844, 136584), (4878, 135632), (5536, 119511), (5691, 116256), (6228, 106232), (6504, 101724), (7056, 93766), (7266, 91056), (7588, 87192), (8304, 79674), (8477, 78048), (8672, 76293), (9688, 68292), (9756, 67816), (10899, 60704), (11382, 58128), (12456, 53116), (13008, 50862), (13279, 49824), (14112, 46883), (14532, 45528), (15176, 43596), (16608, 39837), (16954, 39024), (17073, 38752), (19376, 34146), (19512, 33908), (21798, 30352), (22764, 29064), (24912, 26558), (25431, 26016)]