1904481280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 264

約数和(自身を含む): 5178484224

約数和(自身を除く): 3274002944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 71, 80, 104, 124, 128, 130, 142, 155, 160, 169, 208, 248, 256, 260, 284, 310, 320, 338, 355, 403, 416, 496, 512, 520, 568, 620, 640, 676, 710, 806, 832, 845, 923, 992, 1024, 1040, 1136, 1240, 1280, 1352, 1420, 1612, 1664, 1690, 1846, 1984, 2015, 2080, 2201, 2272, 2480, 2560, 2704, 2840, 3224, 3328, 3380, 3692, 3968, 4030, 4160, 4402, 4544, 4615, 4960, 5120, 5239, 5408, 5680, 6448, 6656, 6760, 7384, 7936, 8060, 8320, 8804, 9088, 9230, 9920, 10478, 10816, 11005, 11360, 11999, 12896, 13312, 13520, 14768, 15872, 16120, 16640, 17608, 18176, 18460, 19840, 20956, 21632, 22010, 22720, 23998, 25792, 26195, 27040, 28613, 29536, 31744, 32240, 33280, 35216, 36352, 36920, 39680, 41912, 43264, 44020, 45440, 47996, 51584, 52390, 54080, 57226, 59072, 59995, 64480, 66560, 70432, 72704, 73840, 79360, 83824, 86528, 88040, 90880, 95992, 103168, 104780, 108160, 114452, 118144, 119990, 128960, 140864, 143065, 147680, 158720, 167648, 173056, 176080, 181760, 191984, 206336, 209560, 216320, 228904, 236288, 239980, 257920, 281728, 286130, 295360, 335296, 352160, 363520, 371969, 383968, 412672, 419120, 432640, 457808, 472576, 479960, 515840, 563456, 572260, 590720, 670592, 704320, 743938, 767936, 838240, 865280, 915616, 945152, 959920, 1031680, 1126912, 1144520, 1181440, 1341184, 1408640, 1487876, 1535872, 1676480, 1831232, 1859845, 1919840, 2063360, 2253824, 2289040, 2362880, 2682368, 2817280, 2975752, 3071744, 3352960, 3662464, 3719690, 3839680, 4578080, 4725760, 5364736, 5634560, 5951504, 6143488, 6705920, 7324928, 7439380, 7679360, 9156160, 11269120, 11903008, 12286976, 13411840, 14649856, 14878760, 15358720, 18312320, 23806016, 26823680, 29299712, 29757520, 30717440, 36624640, 47612032, 59515040, 61434880, 73249280, 95224064, 119030080, 146498560, 190448128, 238060160, 380896256, 476120320, 952240640, 1904481280]

約数ペア:

[(1, 1904481280), (2, 952240640), (4, 476120320), (5, 380896256), (8, 238060160), (10, 190448128), (13, 146498560), (16, 119030080), (20, 95224064), (26, 73249280), (31, 61434880), (32, 59515040), (40, 47612032), (52, 36624640), (62, 30717440), (64, 29757520), (65, 29299712), (71, 26823680), (80, 23806016), (104, 18312320), (124, 15358720), (128, 14878760), (130, 14649856), (142, 13411840), (155, 12286976), (160, 11903008), (169, 11269120), (208, 9156160), (248, 7679360), (256, 7439380), (260, 7324928), (284, 6705920), (310, 6143488), (320, 5951504), (338, 5634560), (355, 5364736), (403, 4725760), (416, 4578080), (496, 3839680), (512, 3719690), (520, 3662464), (568, 3352960), (620, 3071744), (640, 2975752), (676, 2817280), (710, 2682368), (806, 2362880), (832, 2289040), (845, 2253824), (923, 2063360), (992, 1919840), (1024, 1859845), (1040, 1831232), (1136, 1676480), (1240, 1535872), (1280, 1487876), (1352, 1408640), (1420, 1341184), (1612, 1181440), (1664, 1144520), (1690, 1126912), (1846, 1031680), (1984, 959920), (2015, 945152), (2080, 915616), (2201, 865280), (2272, 838240), (2480, 767936), (2560, 743938), (2704, 704320), (2840, 670592), (3224, 590720), (3328, 572260), (3380, 563456), (3692, 515840), (3968, 479960), (4030, 472576), (4160, 457808), (4402, 432640), (4544, 419120), (4615, 412672), (4960, 383968), (5120, 371969), (5239, 363520), (5408, 352160), (5680, 335296), (6448, 295360), (6656, 286130), (6760, 281728), (7384, 257920), (7936, 239980), (8060, 236288), (8320, 228904), (8804, 216320), (9088, 209560), (9230, 206336), (9920, 191984), (10478, 181760), (10816, 176080), (11005, 173056), (11360, 167648), (11999, 158720), (12896, 147680), (13312, 143065), (13520, 140864), (14768, 128960), (15872, 119990), (16120, 118144), (16640, 114452), (17608, 108160), (18176, 104780), (18460, 103168), (19840, 95992), (20956, 90880), (21632, 88040), (22010, 86528), (22720, 83824), (23998, 79360), (25792, 73840), (26195, 72704), (27040, 70432), (28613, 66560), (29536, 64480), (31744, 59995), (32240, 59072), (33280, 57226), (35216, 54080), (36352, 52390), (36920, 51584), (39680, 47996), (41912, 45440), (43264, 44020)]