1489795840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 216

約数和(自身を含む): 3958966368

約数和(自身を除く): 2469170528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 97, 104, 128, 130, 142, 160, 169, 194, 208, 256, 260, 284, 320, 338, 355, 388, 416, 485, 520, 568, 640, 676, 710, 776, 832, 845, 923, 970, 1040, 1136, 1261, 1280, 1352, 1420, 1552, 1664, 1690, 1846, 1940, 2080, 2272, 2522, 2704, 2840, 3104, 3328, 3380, 3692, 3880, 4160, 4544, 4615, 5044, 5408, 5680, 6208, 6305, 6760, 6887, 7384, 7760, 8320, 9088, 9230, 10088, 10816, 11360, 11999, 12416, 12610, 13520, 13774, 14768, 15520, 16393, 16640, 18176, 18460, 20176, 21632, 22720, 23998, 24832, 25220, 27040, 27548, 29536, 31040, 32786, 34435, 36920, 40352, 43264, 45440, 47996, 50440, 54080, 55096, 59072, 59995, 62080, 65572, 68870, 73840, 80704, 81965, 89531, 90880, 95992, 100880, 108160, 110192, 118144, 119990, 124160, 131144, 137740, 147680, 161408, 163930, 179062, 191984, 201760, 216320, 220384, 236288, 239980, 262288, 275480, 295360, 322816, 327860, 358124, 383968, 403520, 440768, 447655, 479960, 524576, 550960, 590720, 655720, 716248, 767936, 807040, 881536, 895310, 959920, 1049152, 1101920, 1163903, 1181440, 1311440, 1432496, 1535872, 1614080, 1763072, 1790620, 1919840, 2098304, 2203840, 2327806, 2622880, 2864992, 3071744, 3581240, 3839680, 4196608, 4407680, 4655612, 5245760, 5729984, 5819515, 7162480, 7679360, 8815360, 9311224, 10491520, 11459968, 11639030, 14324960, 15358720, 18622448, 20983040, 22919936, 23278060, 28649920, 37244896, 46556120, 57299840, 74489792, 93112240, 114599680, 148979584, 186224480, 297959168, 372448960, 744897920, 1489795840]

約数ペア:

[(1, 1489795840), (2, 744897920), (4, 372448960), (5, 297959168), (8, 186224480), (10, 148979584), (13, 114599680), (16, 93112240), (20, 74489792), (26, 57299840), (32, 46556120), (40, 37244896), (52, 28649920), (64, 23278060), (65, 22919936), (71, 20983040), (80, 18622448), (97, 15358720), (104, 14324960), (128, 11639030), (130, 11459968), (142, 10491520), (160, 9311224), (169, 8815360), (194, 7679360), (208, 7162480), (256, 5819515), (260, 5729984), (284, 5245760), (320, 4655612), (338, 4407680), (355, 4196608), (388, 3839680), (416, 3581240), (485, 3071744), (520, 2864992), (568, 2622880), (640, 2327806), (676, 2203840), (710, 2098304), (776, 1919840), (832, 1790620), (845, 1763072), (923, 1614080), (970, 1535872), (1040, 1432496), (1136, 1311440), (1261, 1181440), (1280, 1163903), (1352, 1101920), (1420, 1049152), (1552, 959920), (1664, 895310), (1690, 881536), (1846, 807040), (1940, 767936), (2080, 716248), (2272, 655720), (2522, 590720), (2704, 550960), (2840, 524576), (3104, 479960), (3328, 447655), (3380, 440768), (3692, 403520), (3880, 383968), (4160, 358124), (4544, 327860), (4615, 322816), (5044, 295360), (5408, 275480), (5680, 262288), (6208, 239980), (6305, 236288), (6760, 220384), (6887, 216320), (7384, 201760), (7760, 191984), (8320, 179062), (9088, 163930), (9230, 161408), (10088, 147680), (10816, 137740), (11360, 131144), (11999, 124160), (12416, 119990), (12610, 118144), (13520, 110192), (13774, 108160), (14768, 100880), (15520, 95992), (16393, 90880), (16640, 89531), (18176, 81965), (18460, 80704), (20176, 73840), (21632, 68870), (22720, 65572), (23998, 62080), (24832, 59995), (25220, 59072), (27040, 55096), (27548, 54080), (29536, 50440), (31040, 47996), (32786, 45440), (34435, 43264), (36920, 40352)]