256707360

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:697

約数の個数: 384

約数和(自身を含む): 1107509760

約数和(自身を除く): 850802400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 160, 168, 180, 182, 189, 195, 208, 210, 216, 224, 234, 240, 252, 260, 270, 273, 280, 288, 312, 315, 336, 351, 360, 364, 378, 390, 416, 420, 432, 455, 468, 480, 504, 520, 540, 546, 560, 585, 624, 630, 653, 672, 702, 720, 728, 756, 780, 819, 840, 864, 910, 936, 945, 1008, 1040, 1080, 1092, 1120, 1170, 1248, 1260, 1306, 1365, 1404, 1440, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 1959, 2016, 2080, 2160, 2184, 2340, 2457, 2520, 2612, 2730, 2808, 2912, 3024, 3120, 3265, 3276, 3360, 3510, 3640, 3744, 3780, 3918, 4095, 4320, 4368, 4571, 4680, 4914, 5040, 5224, 5460, 5616, 5877, 6048, 6240, 6530, 6552, 7020, 7280, 7560, 7836, 8190, 8489, 8736, 9142, 9360, 9795, 9828, 10080, 10448, 10920, 11232, 11754, 12285, 13060, 13104, 13713, 14040, 14560, 15120, 15672, 16380, 16978, 17631, 18284, 18720, 19590, 19656, 20896, 21840, 22855, 23508, 24570, 25467, 26120, 26208, 27426, 28080, 29385, 30240, 31344, 32760, 33956, 35262, 36568, 39180, 39312, 41139, 42445, 43680, 45710, 47016, 49140, 50934, 52240, 54852, 56160, 58770, 59423, 62688, 65520, 67912, 68565, 70524, 73136, 76401, 78360, 78624, 82278, 84890, 88155, 91420, 94032, 98280, 101868, 104480, 109704, 117540, 118846, 123417, 127335, 131040, 135824, 137130, 141048, 146272, 152802, 156720, 164556, 169780, 176310, 178269, 182840, 188064, 196560, 203736, 205695, 219408, 229203, 235080, 237692, 246834, 254670, 271648, 274260, 282096, 297115, 305604, 313440, 329112, 339560, 352620, 356538, 365680, 382005, 393120, 407472, 411390, 438816, 458406, 470160, 475384, 493668, 509340, 534807, 548520, 564192, 594230, 611208, 617085, 658224, 679120, 705240, 713076, 731360, 764010, 814944, 822780, 891345, 916812, 940320, 950768, 987336, 1018680, 1069614, 1097040, 1146015, 1188460, 1222416, 1234170, 1316448, 1358240, 1410480, 1426152, 1528020, 1604421, 1645560, 1782690, 1833624, 1901536, 1974672, 2037360, 2139228, 2194080, 2292030, 2376920, 2444832, 2468340, 2674035, 2820960, 2852304, 3056040, 3208842, 3291120, 3565380, 3667248, 3949344, 4074720, 4278456, 4584060, 4753840, 4936680, 5348070, 5704608, 6112080, 6417684, 6582240, 7130760, 7334496, 8022105, 8556912, 9168120, 9507680, 9873360, 10696140, 12224160, 12835368, 14261520, 16044210, 17113824, 18336240, 19746720, 21392280, 25670736, 28523040, 32088420, 36672480, 42784560, 51341472, 64176840, 85569120, 128353680, 256707360]

約数ペア:

[(1, 256707360), (2, 128353680), (3, 85569120), (4, 64176840), (5, 51341472), (6, 42784560), (7, 36672480), (8, 32088420), (9, 28523040), (10, 25670736), (12, 21392280), (13, 19746720), (14, 18336240), (15, 17113824), (16, 16044210), (18, 14261520), (20, 12835368), (21, 12224160), (24, 10696140), (26, 9873360), (27, 9507680), (28, 9168120), (30, 8556912), (32, 8022105), (35, 7334496), (36, 7130760), (39, 6582240), (40, 6417684), (42, 6112080), (45, 5704608), (48, 5348070), (52, 4936680), (54, 4753840), (56, 4584060), (60, 4278456), (63, 4074720), (65, 3949344), (70, 3667248), (72, 3565380), (78, 3291120), (80, 3208842), (84, 3056040), (90, 2852304), (91, 2820960), (96, 2674035), (104, 2468340), (105, 2444832), (108, 2376920), (112, 2292030), (117, 2194080), (120, 2139228), (126, 2037360), (130, 1974672), (135, 1901536), (140, 1833624), (144, 1782690), (156, 1645560), (160, 1604421), (168, 1528020), (180, 1426152), (182, 1410480), (189, 1358240), (195, 1316448), (208, 1234170), (210, 1222416), (216, 1188460), (224, 1146015), (234, 1097040), (240, 1069614), (252, 1018680), (260, 987336), (270, 950768), (273, 940320), (280, 916812), (288, 891345), (312, 822780), (315, 814944), (336, 764010), (351, 731360), (360, 713076), (364, 705240), (378, 679120), (390, 658224), (416, 617085), (420, 611208), (432, 594230), (455, 564192), (468, 548520), (480, 534807), (504, 509340), (520, 493668), (540, 475384), (546, 470160), (560, 458406), (585, 438816), (624, 411390), (630, 407472), (653, 393120), (672, 382005), (702, 365680), (720, 356538), (728, 352620), (756, 339560), (780, 329112), (819, 313440), (840, 305604), (864, 297115), (910, 282096), (936, 274260), (945, 271648), (1008, 254670), (1040, 246834), (1080, 237692), (1092, 235080), (1120, 229203), (1170, 219408), (1248, 205695), (1260, 203736), (1306, 196560), (1365, 188064), (1404, 182840), (1440, 178269), (1456, 176310), (1512, 169780), (1560, 164556), (1638, 156720), (1680, 152802), (1755, 146272), (1820, 141048), (1872, 137130), (1890, 135824), (1959, 131040), (2016, 127335), (2080, 123417), (2160, 118846), (2184, 117540), (2340, 109704), (2457, 104480), (2520, 101868), (2612, 98280), (2730, 94032), (2808, 91420), (2912, 88155), (3024, 84890), (3120, 82278), (3265, 78624), (3276, 78360), (3360, 76401), (3510, 73136), (3640, 70524), (3744, 68565), (3780, 67912), (3918, 65520), (4095, 62688), (4320, 59423), (4368, 58770), (4571, 56160), (4680, 54852), (4914, 52240), (5040, 50934), (5224, 49140), (5460, 47016), (5616, 45710), (5877, 43680), (6048, 42445), (6240, 41139), (6530, 39312), (6552, 39180), (7020, 36568), (7280, 35262), (7560, 33956), (7836, 32760), (8190, 31344), (8489, 30240), (8736, 29385), (9142, 28080), (9360, 27426), (9795, 26208), (9828, 26120), (10080, 25467), (10448, 24570), (10920, 23508), (11232, 22855), (11754, 21840), (12285, 20896), (13060, 19656), (13104, 19590), (13713, 18720), (14040, 18284), (14560, 17631), (15120, 16978), (15672, 16380)]