255870720

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 432

約数和(自身を含む): 1071383040

約数和(自身を除く): 815512320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 144, 152, 160, 167, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 256, 266, 280, 285, 288, 304, 315, 320, 334, 336, 342, 360, 380, 384, 399, 420, 448, 456, 480, 501, 504, 532, 560, 570, 576, 608, 630, 640, 665, 668, 672, 684, 720, 760, 768, 798, 835, 840, 855, 896, 912, 960, 1002, 1008, 1064, 1120, 1140, 1152, 1169, 1197, 1216, 1260, 1280, 1330, 1336, 1344, 1368, 1440, 1503, 1520, 1596, 1670, 1680, 1710, 1792, 1824, 1920, 1995, 2004, 2016, 2128, 2240, 2280, 2304, 2338, 2394, 2432, 2505, 2520, 2660, 2672, 2688, 2736, 2880, 3006, 3040, 3173, 3192, 3340, 3360, 3420, 3507, 3648, 3840, 3990, 4008, 4032, 4256, 4480, 4560, 4676, 4788, 4864, 5010, 5040, 5320, 5344, 5376, 5472, 5760, 5845, 5985, 6012, 6080, 6346, 6384, 6680, 6720, 6840, 7014, 7296, 7515, 7980, 8016, 8064, 8512, 8960, 9120, 9352, 9519, 9576, 10020, 10080, 10521, 10640, 10688, 10944, 11520, 11690, 11970, 12024, 12160, 12692, 12768, 13360, 13440, 13680, 14028, 14592, 15030, 15865, 15960, 16032, 16128, 17024, 17535, 18240, 18704, 19038, 19152, 20040, 20160, 21042, 21280, 21376, 21888, 22211, 23380, 23940, 24048, 24320, 25384, 25536, 26720, 26880, 27360, 28056, 28557, 30060, 31730, 31920, 32064, 34048, 35070, 36480, 37408, 38076, 38304, 40080, 40320, 42084, 42560, 42752, 43776, 44422, 46760, 47595, 47880, 48096, 50768, 51072, 52605, 53440, 54720, 56112, 57114, 60120, 63460, 63840, 64128, 66633, 70140, 72960, 74816, 76152, 76608, 80160, 80640, 84168, 85120, 88844, 93520, 95190, 95760, 96192, 101536, 102144, 105210, 106880, 109440, 111055, 112224, 114228, 120240, 126920, 127680, 128256, 133266, 140280, 142785, 149632, 152304, 153216, 160320, 168336, 170240, 177688, 187040, 190380, 191520, 192384, 199899, 203072, 210420, 213760, 218880, 222110, 224448, 228456, 240480, 253840, 255360, 266532, 280560, 285570, 299264, 304608, 306432, 320640, 333165, 336672, 355376, 374080, 380760, 383040, 384768, 399798, 406144, 420840, 444220, 448896, 456912, 480960, 507680, 510720, 533064, 561120, 571140, 609216, 641280, 666330, 673344, 710752, 748160, 761520, 766080, 799596, 812288, 841680, 888440, 897792, 913824, 961920, 999495, 1015360, 1066128, 1122240, 1142280, 1218432, 1332660, 1346688, 1421504, 1496320, 1523040, 1532160, 1599192, 1683360, 1776880, 1827648, 1923840, 1998990, 2030720, 2132256, 2244480, 2284560, 2436864, 2665320, 2693376, 2843008, 3046080, 3198384, 3366720, 3553760, 3655296, 3997980, 4061440, 4264512, 4488960, 4569120, 5330640, 5686016, 6092160, 6396768, 6733440, 7107520, 7310592, 7995960, 8529024, 9138240, 10661280, 12184320, 12793536, 13466880, 14215040, 15991920, 17058048, 18276480, 21322560, 25587072, 28430080, 31983840, 36552960, 42645120, 51174144, 63967680, 85290240, 127935360, 255870720]

約数ペア:

[(1, 255870720), (2, 127935360), (3, 85290240), (4, 63967680), (5, 51174144), (6, 42645120), (7, 36552960), (8, 31983840), (9, 28430080), (10, 25587072), (12, 21322560), (14, 18276480), (15, 17058048), (16, 15991920), (18, 14215040), (19, 13466880), (20, 12793536), (21, 12184320), (24, 10661280), (28, 9138240), (30, 8529024), (32, 7995960), (35, 7310592), (36, 7107520), (38, 6733440), (40, 6396768), (42, 6092160), (45, 5686016), (48, 5330640), (56, 4569120), (57, 4488960), (60, 4264512), (63, 4061440), (64, 3997980), (70, 3655296), (72, 3553760), (76, 3366720), (80, 3198384), (84, 3046080), (90, 2843008), (95, 2693376), (96, 2665320), (105, 2436864), (112, 2284560), (114, 2244480), (120, 2132256), (126, 2030720), (128, 1998990), (133, 1923840), (140, 1827648), (144, 1776880), (152, 1683360), (160, 1599192), (167, 1532160), (168, 1523040), (171, 1496320), (180, 1421504), (190, 1346688), (192, 1332660), (210, 1218432), (224, 1142280), (228, 1122240), (240, 1066128), (252, 1015360), (256, 999495), (266, 961920), (280, 913824), (285, 897792), (288, 888440), (304, 841680), (315, 812288), (320, 799596), (334, 766080), (336, 761520), (342, 748160), (360, 710752), (380, 673344), (384, 666330), (399, 641280), (420, 609216), (448, 571140), (456, 561120), (480, 533064), (501, 510720), (504, 507680), (532, 480960), (560, 456912), (570, 448896), (576, 444220), (608, 420840), (630, 406144), (640, 399798), (665, 384768), (668, 383040), (672, 380760), (684, 374080), (720, 355376), (760, 336672), (768, 333165), (798, 320640), (835, 306432), (840, 304608), (855, 299264), (896, 285570), (912, 280560), (960, 266532), (1002, 255360), (1008, 253840), (1064, 240480), (1120, 228456), (1140, 224448), (1152, 222110), (1169, 218880), (1197, 213760), (1216, 210420), (1260, 203072), (1280, 199899), (1330, 192384), (1336, 191520), (1344, 190380), (1368, 187040), (1440, 177688), (1503, 170240), (1520, 168336), (1596, 160320), (1670, 153216), (1680, 152304), (1710, 149632), (1792, 142785), (1824, 140280), (1920, 133266), (1995, 128256), (2004, 127680), (2016, 126920), (2128, 120240), (2240, 114228), (2280, 112224), (2304, 111055), (2338, 109440), (2394, 106880), (2432, 105210), (2505, 102144), (2520, 101536), (2660, 96192), (2672, 95760), (2688, 95190), (2736, 93520), (2880, 88844), (3006, 85120), (3040, 84168), (3173, 80640), (3192, 80160), (3340, 76608), (3360, 76152), (3420, 74816), (3507, 72960), (3648, 70140), (3840, 66633), (3990, 64128), (4008, 63840), (4032, 63460), (4256, 60120), (4480, 57114), (4560, 56112), (4676, 54720), (4788, 53440), (4864, 52605), (5010, 51072), (5040, 50768), (5320, 48096), (5344, 47880), (5376, 47595), (5472, 46760), (5760, 44422), (5845, 43776), (5985, 42752), (6012, 42560), (6080, 42084), (6346, 40320), (6384, 40080), (6680, 38304), (6720, 38076), (6840, 37408), (7014, 36480), (7296, 35070), (7515, 34048), (7980, 32064), (8016, 31920), (8064, 31730), (8512, 30060), (8960, 28557), (9120, 28056), (9352, 27360), (9519, 26880), (9576, 26720), (10020, 25536), (10080, 25384), (10521, 24320), (10640, 24048), (10688, 23940), (10944, 23380), (11520, 22211), (11690, 21888), (11970, 21376), (12024, 21280), (12160, 21042), (12692, 20160), (12768, 20040), (13360, 19152), (13440, 19038), (13680, 18704), (14028, 18240), (14592, 17535), (15030, 17024), (15865, 16128), (15960, 16032)]