1493872640

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 208

約数和(自身を含む): 4007168256

約数和(自身を除く): 2513295616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 181, 208, 248, 256, 260, 310, 320, 362, 403, 416, 496, 512, 520, 620, 640, 724, 806, 832, 905, 992, 1024, 1040, 1240, 1280, 1448, 1612, 1664, 1810, 1984, 2015, 2048, 2080, 2353, 2480, 2560, 2896, 3224, 3328, 3620, 3968, 4030, 4096, 4160, 4706, 4960, 5120, 5611, 5792, 6448, 6656, 7240, 7936, 8060, 8320, 9412, 9920, 10240, 11222, 11584, 11765, 12896, 13312, 14480, 15872, 16120, 16640, 18824, 19840, 20480, 22444, 23168, 23530, 25792, 26624, 28055, 28960, 31744, 32240, 33280, 37648, 39680, 44888, 46336, 47060, 51584, 53248, 56110, 57920, 63488, 64480, 66560, 72943, 75296, 79360, 89776, 92672, 94120, 103168, 112220, 115840, 126976, 128960, 133120, 145886, 150592, 158720, 179552, 185344, 188240, 206336, 224440, 231680, 257920, 266240, 291772, 301184, 317440, 359104, 364715, 370688, 376480, 412672, 448880, 463360, 515840, 583544, 602368, 634880, 718208, 729430, 741376, 752960, 825344, 897760, 926720, 1031680, 1167088, 1204736, 1436416, 1458860, 1505920, 1650688, 1795520, 1853440, 2063360, 2334176, 2409472, 2872832, 2917720, 3011840, 3591040, 3706880, 4126720, 4668352, 4818944, 5745664, 5835440, 6023680, 7182080, 8253440, 9336704, 9637888, 11491328, 11670880, 12047360, 14364160, 18673408, 22982656, 23341760, 24094720, 28728320, 37346816, 46683520, 48189440, 57456640, 74693632, 93367040, 114913280, 149387264, 186734080, 298774528, 373468160, 746936320, 1493872640]

約数ペア:

[(1, 1493872640), (2, 746936320), (4, 373468160), (5, 298774528), (8, 186734080), (10, 149387264), (13, 114913280), (16, 93367040), (20, 74693632), (26, 57456640), (31, 48189440), (32, 46683520), (40, 37346816), (52, 28728320), (62, 24094720), (64, 23341760), (65, 22982656), (80, 18673408), (104, 14364160), (124, 12047360), (128, 11670880), (130, 11491328), (155, 9637888), (160, 9336704), (181, 8253440), (208, 7182080), (248, 6023680), (256, 5835440), (260, 5745664), (310, 4818944), (320, 4668352), (362, 4126720), (403, 3706880), (416, 3591040), (496, 3011840), (512, 2917720), (520, 2872832), (620, 2409472), (640, 2334176), (724, 2063360), (806, 1853440), (832, 1795520), (905, 1650688), (992, 1505920), (1024, 1458860), (1040, 1436416), (1240, 1204736), (1280, 1167088), (1448, 1031680), (1612, 926720), (1664, 897760), (1810, 825344), (1984, 752960), (2015, 741376), (2048, 729430), (2080, 718208), (2353, 634880), (2480, 602368), (2560, 583544), (2896, 515840), (3224, 463360), (3328, 448880), (3620, 412672), (3968, 376480), (4030, 370688), (4096, 364715), (4160, 359104), (4706, 317440), (4960, 301184), (5120, 291772), (5611, 266240), (5792, 257920), (6448, 231680), (6656, 224440), (7240, 206336), (7936, 188240), (8060, 185344), (8320, 179552), (9412, 158720), (9920, 150592), (10240, 145886), (11222, 133120), (11584, 128960), (11765, 126976), (12896, 115840), (13312, 112220), (14480, 103168), (15872, 94120), (16120, 92672), (16640, 89776), (18824, 79360), (19840, 75296), (20480, 72943), (22444, 66560), (23168, 64480), (23530, 63488), (25792, 57920), (26624, 56110), (28055, 53248), (28960, 51584), (31744, 47060), (32240, 46336), (33280, 44888), (37648, 39680)]