256713120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:404

約数の個数: 216

約数和(自身を含む): 918495396

約数和(自身を除く): 661782276

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 337, 345, 360, 368, 414, 460, 480, 529, 552, 674, 690, 720, 736, 828, 920, 1011, 1035, 1058, 1104, 1348, 1380, 1440, 1587, 1656, 1685, 1840, 2022, 2070, 2116, 2208, 2645, 2696, 2760, 3033, 3174, 3312, 3370, 3680, 4044, 4140, 4232, 4761, 5055, 5290, 5392, 5520, 6066, 6348, 6624, 6740, 7751, 7935, 8088, 8280, 8464, 9522, 10110, 10580, 10784, 11040, 12132, 12696, 13480, 15165, 15502, 15870, 16176, 16560, 16928, 19044, 20220, 21160, 23253, 23805, 24264, 25392, 26960, 30330, 31004, 31740, 32352, 33120, 38088, 38755, 40440, 42320, 46506, 47610, 48528, 50784, 53920, 60660, 62008, 63480, 69759, 76176, 77510, 80880, 84640, 93012, 95220, 97056, 116265, 121320, 124016, 126960, 139518, 152352, 155020, 161760, 178273, 186024, 190440, 232530, 242640, 248032, 253920, 279036, 310040, 348795, 356546, 372048, 380880, 465060, 485280, 534819, 558072, 620080, 697590, 713092, 744096, 761760, 891365, 930120, 1069638, 1116144, 1240160, 1395180, 1426184, 1604457, 1782730, 1860240, 2139276, 2232288, 2674095, 2790360, 2852368, 3208914, 3565460, 3720480, 4278552, 5348190, 5580720, 5704736, 6417828, 7130920, 8022285, 8557104, 10696380, 11161440, 12835656, 14261840, 16044570, 17114208, 21392760, 25671312, 28523680, 32089140, 42785520, 51342624, 64178280, 85571040, 128356560, 256713120]

約数ペア:

[(1, 256713120), (2, 128356560), (3, 85571040), (4, 64178280), (5, 51342624), (6, 42785520), (8, 32089140), (9, 28523680), (10, 25671312), (12, 21392760), (15, 17114208), (16, 16044570), (18, 14261840), (20, 12835656), (23, 11161440), (24, 10696380), (30, 8557104), (32, 8022285), (36, 7130920), (40, 6417828), (45, 5704736), (46, 5580720), (48, 5348190), (60, 4278552), (69, 3720480), (72, 3565460), (80, 3208914), (90, 2852368), (92, 2790360), (96, 2674095), (115, 2232288), (120, 2139276), (138, 1860240), (144, 1782730), (160, 1604457), (180, 1426184), (184, 1395180), (207, 1240160), (230, 1116144), (240, 1069638), (276, 930120), (288, 891365), (337, 761760), (345, 744096), (360, 713092), (368, 697590), (414, 620080), (460, 558072), (480, 534819), (529, 485280), (552, 465060), (674, 380880), (690, 372048), (720, 356546), (736, 348795), (828, 310040), (920, 279036), (1011, 253920), (1035, 248032), (1058, 242640), (1104, 232530), (1348, 190440), (1380, 186024), (1440, 178273), (1587, 161760), (1656, 155020), (1685, 152352), (1840, 139518), (2022, 126960), (2070, 124016), (2116, 121320), (2208, 116265), (2645, 97056), (2696, 95220), (2760, 93012), (3033, 84640), (3174, 80880), (3312, 77510), (3370, 76176), (3680, 69759), (4044, 63480), (4140, 62008), (4232, 60660), (4761, 53920), (5055, 50784), (5290, 48528), (5392, 47610), (5520, 46506), (6066, 42320), (6348, 40440), (6624, 38755), (6740, 38088), (7751, 33120), (7935, 32352), (8088, 31740), (8280, 31004), (8464, 30330), (9522, 26960), (10110, 25392), (10580, 24264), (10784, 23805), (11040, 23253), (12132, 21160), (12696, 20220), (13480, 19044), (15165, 16928), (15502, 16560), (15870, 16176)]