256892160

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:553

約数の個数: 288

約数和(自身を含む): 988968960

約数和(自身を除く): 732076800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 503, 532, 560, 570, 608, 640, 665, 672, 760, 768, 798, 840, 896, 912, 960, 1006, 1064, 1120, 1140, 1216, 1280, 1330, 1344, 1509, 1520, 1596, 1680, 1792, 1824, 1920, 1995, 2012, 2128, 2240, 2280, 2432, 2515, 2660, 2688, 3018, 3040, 3192, 3360, 3521, 3648, 3840, 3990, 4024, 4256, 4480, 4560, 4864, 5030, 5320, 5376, 6036, 6080, 6384, 6720, 7042, 7296, 7545, 7980, 8048, 8512, 8960, 9120, 9557, 10060, 10563, 10640, 12072, 12160, 12768, 13440, 14084, 14592, 15090, 15960, 16096, 17024, 17605, 18240, 19114, 20120, 21126, 21280, 24144, 24320, 25536, 26880, 28168, 28671, 30180, 31920, 32192, 34048, 35210, 36480, 38228, 40240, 42252, 42560, 47785, 48288, 51072, 52815, 56336, 57342, 60360, 63840, 64384, 66899, 70420, 72960, 76456, 80480, 84504, 85120, 95570, 96576, 102144, 105630, 112672, 114684, 120720, 127680, 128768, 133798, 140840, 143355, 152912, 160960, 169008, 170240, 191140, 193152, 200697, 211260, 225344, 229368, 241440, 255360, 267596, 281680, 286710, 305824, 321920, 334495, 338016, 382280, 386304, 401394, 422520, 450688, 458736, 482880, 510720, 535192, 563360, 573420, 611648, 643840, 668990, 676032, 764560, 802788, 845040, 901376, 917472, 965760, 1003485, 1070384, 1126720, 1146840, 1223296, 1337980, 1352064, 1529120, 1605576, 1690080, 1834944, 1931520, 2006970, 2140768, 2253440, 2293680, 2446592, 2675960, 2704128, 3058240, 3211152, 3380160, 3669888, 4013940, 4281536, 4506880, 4587360, 5351920, 6116480, 6422304, 6760320, 7339776, 8027880, 8563072, 9174720, 10703840, 12232960, 12844608, 13520640, 16055760, 17126144, 18349440, 21407680, 25689216, 32111520, 36698880, 42815360, 51378432, 64223040, 85630720, 128446080, 256892160]

約数ペア:

[(1, 256892160), (2, 128446080), (3, 85630720), (4, 64223040), (5, 51378432), (6, 42815360), (7, 36698880), (8, 32111520), (10, 25689216), (12, 21407680), (14, 18349440), (15, 17126144), (16, 16055760), (19, 13520640), (20, 12844608), (21, 12232960), (24, 10703840), (28, 9174720), (30, 8563072), (32, 8027880), (35, 7339776), (38, 6760320), (40, 6422304), (42, 6116480), (48, 5351920), (56, 4587360), (57, 4506880), (60, 4281536), (64, 4013940), (70, 3669888), (76, 3380160), (80, 3211152), (84, 3058240), (95, 2704128), (96, 2675960), (105, 2446592), (112, 2293680), (114, 2253440), (120, 2140768), (128, 2006970), (133, 1931520), (140, 1834944), (152, 1690080), (160, 1605576), (168, 1529120), (190, 1352064), (192, 1337980), (210, 1223296), (224, 1146840), (228, 1126720), (240, 1070384), (256, 1003485), (266, 965760), (280, 917472), (285, 901376), (304, 845040), (320, 802788), (336, 764560), (380, 676032), (384, 668990), (399, 643840), (420, 611648), (448, 573420), (456, 563360), (480, 535192), (503, 510720), (532, 482880), (560, 458736), (570, 450688), (608, 422520), (640, 401394), (665, 386304), (672, 382280), (760, 338016), (768, 334495), (798, 321920), (840, 305824), (896, 286710), (912, 281680), (960, 267596), (1006, 255360), (1064, 241440), (1120, 229368), (1140, 225344), (1216, 211260), (1280, 200697), (1330, 193152), (1344, 191140), (1509, 170240), (1520, 169008), (1596, 160960), (1680, 152912), (1792, 143355), (1824, 140840), (1920, 133798), (1995, 128768), (2012, 127680), (2128, 120720), (2240, 114684), (2280, 112672), (2432, 105630), (2515, 102144), (2660, 96576), (2688, 95570), (3018, 85120), (3040, 84504), (3192, 80480), (3360, 76456), (3521, 72960), (3648, 70420), (3840, 66899), (3990, 64384), (4024, 63840), (4256, 60360), (4480, 57342), (4560, 56336), (4864, 52815), (5030, 51072), (5320, 48288), (5376, 47785), (6036, 42560), (6080, 42252), (6384, 40240), (6720, 38228), (7042, 36480), (7296, 35210), (7545, 34048), (7980, 32192), (8048, 31920), (8512, 30180), (8960, 28671), (9120, 28168), (9557, 26880), (10060, 25536), (10563, 24320), (10640, 24144), (12072, 21280), (12160, 21126), (12768, 20120), (13440, 19114), (14084, 18240), (14592, 17605), (15090, 17024), (15960, 16096)]