257448960

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:219

約数の個数: 264

約数和(自身を含む): 922230816

約数和(自身を除く): 664781856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 151, 160, 180, 185, 192, 222, 240, 256, 288, 296, 302, 320, 333, 360, 370, 384, 444, 453, 480, 512, 555, 576, 592, 604, 640, 666, 720, 740, 755, 768, 888, 906, 960, 1024, 1110, 1152, 1184, 1208, 1280, 1332, 1359, 1440, 1480, 1510, 1536, 1665, 1776, 1812, 1920, 2220, 2265, 2304, 2368, 2416, 2560, 2664, 2718, 2880, 2960, 3020, 3072, 3330, 3552, 3624, 3840, 4440, 4530, 4608, 4736, 4832, 5120, 5328, 5436, 5587, 5760, 5920, 6040, 6660, 6795, 7104, 7248, 7680, 8880, 9060, 9216, 9472, 9664, 10656, 10872, 11174, 11520, 11840, 12080, 13320, 13590, 14208, 14496, 15360, 16761, 17760, 18120, 18944, 19328, 21312, 21744, 22348, 23040, 23680, 24160, 26640, 27180, 27935, 28416, 28992, 33522, 35520, 36240, 37888, 38656, 42624, 43488, 44696, 46080, 47360, 48320, 50283, 53280, 54360, 55870, 56832, 57984, 67044, 71040, 72480, 77312, 83805, 85248, 86976, 89392, 94720, 96640, 100566, 106560, 108720, 111740, 113664, 115968, 134088, 142080, 144960, 154624, 167610, 170496, 173952, 178784, 189440, 193280, 201132, 213120, 217440, 223480, 231936, 251415, 268176, 284160, 289920, 335220, 340992, 347904, 357568, 386560, 402264, 426240, 434880, 446960, 463872, 502830, 536352, 568320, 579840, 670440, 695808, 715136, 773120, 804528, 852480, 869760, 893920, 1005660, 1072704, 1159680, 1340880, 1391616, 1430272, 1609056, 1704960, 1739520, 1787840, 2011320, 2145408, 2319360, 2681760, 2860544, 3218112, 3479040, 3575680, 4022640, 4290816, 5363520, 5721088, 6436224, 6958080, 7151360, 8045280, 8581632, 10727040, 12872448, 14302720, 16090560, 17163264, 21454080, 25744896, 28605440, 32181120, 42908160, 51489792, 64362240, 85816320, 128724480, 257448960]

約数ペア:

[(1, 257448960), (2, 128724480), (3, 85816320), (4, 64362240), (5, 51489792), (6, 42908160), (8, 32181120), (9, 28605440), (10, 25744896), (12, 21454080), (15, 17163264), (16, 16090560), (18, 14302720), (20, 12872448), (24, 10727040), (30, 8581632), (32, 8045280), (36, 7151360), (37, 6958080), (40, 6436224), (45, 5721088), (48, 5363520), (60, 4290816), (64, 4022640), (72, 3575680), (74, 3479040), (80, 3218112), (90, 2860544), (96, 2681760), (111, 2319360), (120, 2145408), (128, 2011320), (144, 1787840), (148, 1739520), (151, 1704960), (160, 1609056), (180, 1430272), (185, 1391616), (192, 1340880), (222, 1159680), (240, 1072704), (256, 1005660), (288, 893920), (296, 869760), (302, 852480), (320, 804528), (333, 773120), (360, 715136), (370, 695808), (384, 670440), (444, 579840), (453, 568320), (480, 536352), (512, 502830), (555, 463872), (576, 446960), (592, 434880), (604, 426240), (640, 402264), (666, 386560), (720, 357568), (740, 347904), (755, 340992), (768, 335220), (888, 289920), (906, 284160), (960, 268176), (1024, 251415), (1110, 231936), (1152, 223480), (1184, 217440), (1208, 213120), (1280, 201132), (1332, 193280), (1359, 189440), (1440, 178784), (1480, 173952), (1510, 170496), (1536, 167610), (1665, 154624), (1776, 144960), (1812, 142080), (1920, 134088), (2220, 115968), (2265, 113664), (2304, 111740), (2368, 108720), (2416, 106560), (2560, 100566), (2664, 96640), (2718, 94720), (2880, 89392), (2960, 86976), (3020, 85248), (3072, 83805), (3330, 77312), (3552, 72480), (3624, 71040), (3840, 67044), (4440, 57984), (4530, 56832), (4608, 55870), (4736, 54360), (4832, 53280), (5120, 50283), (5328, 48320), (5436, 47360), (5587, 46080), (5760, 44696), (5920, 43488), (6040, 42624), (6660, 38656), (6795, 37888), (7104, 36240), (7248, 35520), (7680, 33522), (8880, 28992), (9060, 28416), (9216, 27935), (9472, 27180), (9664, 26640), (10656, 24160), (10872, 23680), (11174, 23040), (11520, 22348), (11840, 21744), (12080, 21312), (13320, 19328), (13590, 18944), (14208, 18120), (14496, 17760), (15360, 16761)]