256334400

素因数分解:

$2^6\times 3^2\times 5^2\times 7^1\times {\mathrm{2543}}^1$

素因数の和:2578

約数の個数: 252

約数和(自身を含む): 1041635712

約数和(自身を除く): 785301312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 320, 336, 350, 360, 400, 420, 448, 450, 480, 504, 525, 560, 576, 600, 630, 672, 700, 720, 800, 840, 900, 960, 1008, 1050, 1120, 1200, 1260, 1344, 1400, 1440, 1575, 1600, 1680, 1800, 2016, 2100, 2240, 2400, 2520, 2543, 2800, 2880, 3150, 3360, 3600, 4032, 4200, 4800, 5040, 5086, 5600, 6300, 6720, 7200, 7629, 8400, 10080, 10172, 11200, 12600, 12715, 14400, 15258, 16800, 17801, 20160, 20344, 22887, 25200, 25430, 30516, 33600, 35602, 38145, 40688, 45774, 50400, 50860, 53403, 61032, 63575, 71204, 76290, 81376, 89005, 91548, 100800, 101720, 106806, 114435, 122064, 127150, 142408, 152580, 160209, 162752, 178010, 183096, 190725, 203440, 213612, 228870, 244128, 254300, 267015, 284816, 305160, 320418, 356020, 366192, 381450, 406880, 427224, 445025, 457740, 488256, 508600, 534030, 569632, 572175, 610320, 640836, 712040, 732384, 762900, 801045, 813760, 854448, 890050, 915480, 1017200, 1068060, 1139264, 1144350, 1220640, 1281672, 1335075, 1424080, 1464768, 1525800, 1602090, 1708896, 1780100, 1830960, 2034400, 2136120, 2288700, 2441280, 2563344, 2670150, 2848160, 3051600, 3204180, 3417792, 3560200, 3661920, 4005225, 4068800, 4272240, 4577400, 5126688, 5340300, 5696320, 6103200, 6408360, 7120400, 7323840, 8010450, 8544480, 9154800, 10253376, 10680600, 12206400, 12816720, 14240800, 16020900, 17088960, 18309600, 21361200, 25633440, 28481600, 32041800, 36619200, 42722400, 51266880, 64083600, 85444800, 128167200, 256334400]

約数ペア:

[(1, 256334400), (2, 128167200), (3, 85444800), (4, 64083600), (5, 51266880), (6, 42722400), (7, 36619200), (8, 32041800), (9, 28481600), (10, 25633440), (12, 21361200), (14, 18309600), (15, 17088960), (16, 16020900), (18, 14240800), (20, 12816720), (21, 12206400), (24, 10680600), (25, 10253376), (28, 9154800), (30, 8544480), (32, 8010450), (35, 7323840), (36, 7120400), (40, 6408360), (42, 6103200), (45, 5696320), (48, 5340300), (50, 5126688), (56, 4577400), (60, 4272240), (63, 4068800), (64, 4005225), (70, 3661920), (72, 3560200), (75, 3417792), (80, 3204180), (84, 3051600), (90, 2848160), (96, 2670150), (100, 2563344), (105, 2441280), (112, 2288700), (120, 2136120), (126, 2034400), (140, 1830960), (144, 1780100), (150, 1708896), (160, 1602090), (168, 1525800), (175, 1464768), (180, 1424080), (192, 1335075), (200, 1281672), (210, 1220640), (224, 1144350), (225, 1139264), (240, 1068060), (252, 1017200), (280, 915480), (288, 890050), (300, 854448), (315, 813760), (320, 801045), (336, 762900), (350, 732384), (360, 712040), (400, 640836), (420, 610320), (448, 572175), (450, 569632), (480, 534030), (504, 508600), (525, 488256), (560, 457740), (576, 445025), (600, 427224), (630, 406880), (672, 381450), (700, 366192), (720, 356020), (800, 320418), (840, 305160), (900, 284816), (960, 267015), (1008, 254300), (1050, 244128), (1120, 228870), (1200, 213612), (1260, 203440), (1344, 190725), (1400, 183096), (1440, 178010), (1575, 162752), (1600, 160209), (1680, 152580), (1800, 142408), (2016, 127150), (2100, 122064), (2240, 114435), (2400, 106806), (2520, 101720), (2543, 100800), (2800, 91548), (2880, 89005), (3150, 81376), (3360, 76290), (3600, 71204), (4032, 63575), (4200, 61032), (4800, 53403), (5040, 50860), (5086, 50400), (5600, 45774), (6300, 40688), (6720, 38145), (7200, 35602), (7629, 33600), (8400, 30516), (10080, 25430), (10172, 25200), (11200, 22887), (12600, 20344), (12715, 20160), (14400, 17801), (15258, 16800)]