256253760

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 448

約数和(自身を含む): 1092403200

約数和(自身を除く): 836149440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 223, 224, 228, 240, 252, 266, 270, 280, 285, 288, 304, 315, 320, 336, 342, 360, 378, 380, 399, 420, 432, 446, 448, 456, 480, 504, 513, 532, 540, 560, 570, 576, 608, 630, 665, 669, 672, 684, 720, 756, 760, 798, 840, 855, 864, 892, 912, 945, 960, 1008, 1026, 1064, 1080, 1115, 1120, 1140, 1197, 1216, 1260, 1330, 1338, 1344, 1368, 1440, 1512, 1520, 1561, 1596, 1680, 1710, 1728, 1784, 1824, 1890, 1995, 2007, 2016, 2052, 2128, 2160, 2230, 2240, 2280, 2394, 2520, 2565, 2660, 2676, 2736, 2880, 3024, 3040, 3122, 3192, 3345, 3360, 3420, 3568, 3591, 3648, 3780, 3990, 4014, 4032, 4104, 4237, 4256, 4320, 4460, 4560, 4683, 4788, 5040, 5130, 5320, 5352, 5472, 5985, 6021, 6048, 6080, 6244, 6384, 6690, 6720, 6840, 7136, 7182, 7560, 7805, 7980, 8028, 8208, 8474, 8512, 8640, 8920, 9120, 9366, 9576, 10035, 10080, 10260, 10640, 10704, 10944, 11970, 12042, 12096, 12488, 12711, 12768, 13380, 13680, 14049, 14272, 14364, 15120, 15610, 15960, 16056, 16416, 16948, 17840, 17955, 18240, 18732, 19152, 20070, 20160, 20520, 21185, 21280, 21408, 23415, 23940, 24084, 24976, 25422, 25536, 26760, 27360, 28098, 28728, 29659, 30105, 30240, 31220, 31920, 32112, 32832, 33896, 35680, 35910, 37464, 38133, 38304, 40140, 41040, 42147, 42370, 42560, 42816, 46830, 47880, 48168, 49952, 50844, 53520, 54720, 56196, 57456, 59318, 60210, 60480, 62440, 63555, 63840, 64224, 67792, 70245, 71360, 71820, 74928, 76266, 76608, 80280, 82080, 84294, 84740, 88977, 93660, 95760, 96336, 99904, 101688, 107040, 112392, 114399, 114912, 118636, 120420, 124880, 127110, 127680, 128448, 135584, 140490, 143640, 148295, 149856, 152532, 160560, 164160, 168588, 169480, 177954, 187320, 190665, 191520, 192672, 203376, 210735, 214080, 224784, 228798, 229824, 237272, 240840, 249760, 254220, 266931, 271168, 280980, 287280, 296590, 299712, 305064, 321120, 337176, 338960, 355908, 374640, 381330, 383040, 385344, 406752, 421470, 444885, 449568, 457596, 474544, 481680, 499520, 508440, 533862, 561960, 571995, 574560, 593180, 610128, 642240, 674352, 677920, 711816, 749280, 762660, 800793, 813504, 842940, 889770, 899136, 915192, 949088, 963360, 1016880, 1067724, 1123920, 1143990, 1149120, 1186360, 1220256, 1334655, 1348704, 1355840, 1423632, 1498560, 1525320, 1601586, 1685880, 1779540, 1830384, 1898176, 1926720, 2033760, 2135448, 2247840, 2287980, 2372720, 2440512, 2669310, 2697408, 2847264, 3050640, 3203172, 3371760, 3559080, 3660768, 4003965, 4067520, 4270896, 4495680, 4575960, 4745440, 5338620, 5694528, 6101280, 6406344, 6743520, 7118160, 7321536, 8007930, 8541792, 9151920, 9490880, 10677240, 12202560, 12812688, 13487040, 14236320, 16015860, 17083584, 18303840, 21354480, 25625376, 28472640, 32031720, 36607680, 42708960, 51250752, 64063440, 85417920, 128126880, 256253760]

約数ペア:

[(1, 256253760), (2, 128126880), (3, 85417920), (4, 64063440), (5, 51250752), (6, 42708960), (7, 36607680), (8, 32031720), (9, 28472640), (10, 25625376), (12, 21354480), (14, 18303840), (15, 17083584), (16, 16015860), (18, 14236320), (19, 13487040), (20, 12812688), (21, 12202560), (24, 10677240), (27, 9490880), (28, 9151920), (30, 8541792), (32, 8007930), (35, 7321536), (36, 7118160), (38, 6743520), (40, 6406344), (42, 6101280), (45, 5694528), (48, 5338620), (54, 4745440), (56, 4575960), (57, 4495680), (60, 4270896), (63, 4067520), (64, 4003965), (70, 3660768), (72, 3559080), (76, 3371760), (80, 3203172), (84, 3050640), (90, 2847264), (95, 2697408), (96, 2669310), (105, 2440512), (108, 2372720), (112, 2287980), (114, 2247840), (120, 2135448), (126, 2033760), (133, 1926720), (135, 1898176), (140, 1830384), (144, 1779540), (152, 1685880), (160, 1601586), (168, 1525320), (171, 1498560), (180, 1423632), (189, 1355840), (190, 1348704), (192, 1334655), (210, 1220256), (216, 1186360), (223, 1149120), (224, 1143990), (228, 1123920), (240, 1067724), (252, 1016880), (266, 963360), (270, 949088), (280, 915192), (285, 899136), (288, 889770), (304, 842940), (315, 813504), (320, 800793), (336, 762660), (342, 749280), (360, 711816), (378, 677920), (380, 674352), (399, 642240), (420, 610128), (432, 593180), (446, 574560), (448, 571995), (456, 561960), (480, 533862), (504, 508440), (513, 499520), (532, 481680), (540, 474544), (560, 457596), (570, 449568), (576, 444885), (608, 421470), (630, 406752), (665, 385344), (669, 383040), (672, 381330), (684, 374640), (720, 355908), (756, 338960), (760, 337176), (798, 321120), (840, 305064), (855, 299712), (864, 296590), (892, 287280), (912, 280980), (945, 271168), (960, 266931), (1008, 254220), (1026, 249760), (1064, 240840), (1080, 237272), (1115, 229824), (1120, 228798), (1140, 224784), (1197, 214080), (1216, 210735), (1260, 203376), (1330, 192672), (1338, 191520), (1344, 190665), (1368, 187320), (1440, 177954), (1512, 169480), (1520, 168588), (1561, 164160), (1596, 160560), (1680, 152532), (1710, 149856), (1728, 148295), (1784, 143640), (1824, 140490), (1890, 135584), (1995, 128448), (2007, 127680), (2016, 127110), (2052, 124880), (2128, 120420), (2160, 118636), (2230, 114912), (2240, 114399), (2280, 112392), (2394, 107040), (2520, 101688), (2565, 99904), (2660, 96336), (2676, 95760), (2736, 93660), (2880, 88977), (3024, 84740), (3040, 84294), (3122, 82080), (3192, 80280), (3345, 76608), (3360, 76266), (3420, 74928), (3568, 71820), (3591, 71360), (3648, 70245), (3780, 67792), (3990, 64224), (4014, 63840), (4032, 63555), (4104, 62440), (4237, 60480), (4256, 60210), (4320, 59318), (4460, 57456), (4560, 56196), (4683, 54720), (4788, 53520), (5040, 50844), (5130, 49952), (5320, 48168), (5352, 47880), (5472, 46830), (5985, 42816), (6021, 42560), (6048, 42370), (6080, 42147), (6244, 41040), (6384, 40140), (6690, 38304), (6720, 38133), (6840, 37464), (7136, 35910), (7182, 35680), (7560, 33896), (7805, 32832), (7980, 32112), (8028, 31920), (8208, 31220), (8474, 30240), (8512, 30105), (8640, 29659), (8920, 28728), (9120, 28098), (9366, 27360), (9576, 26760), (10035, 25536), (10080, 25422), (10260, 24976), (10640, 24084), (10704, 23940), (10944, 23415), (11970, 21408), (12042, 21280), (12096, 21185), (12488, 20520), (12711, 20160), (12768, 20070), (13380, 19152), (13680, 18732), (14049, 18240), (14272, 17955), (14364, 17840), (15120, 16948), (15610, 16416), (15960, 16056)]