256903920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1349

約数の個数: 320

約数和(自身を含む): 1089930240

約数和(自身を除く): 833026320

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, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 819, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1260, 1307, 1365, 1404, 1456, 1512, 1560, 1638, 1680, 1755, 1820, 1872, 1890, 2160, 2184, 2340, 2457, 2520, 2614, 2730, 2808, 3024, 3120, 3276, 3510, 3640, 3780, 3921, 4095, 4368, 4680, 4914, 5040, 5228, 5460, 5616, 6535, 6552, 7020, 7280, 7560, 7842, 8190, 9149, 9360, 9828, 10456, 10920, 11763, 12285, 13070, 13104, 14040, 15120, 15684, 16380, 16991, 18298, 19605, 19656, 20912, 21840, 23526, 24570, 26140, 27447, 28080, 31368, 32760, 33982, 35289, 36596, 39210, 39312, 45745, 47052, 49140, 50973, 52280, 54894, 58815, 62736, 65520, 67964, 70578, 73192, 78420, 82341, 84955, 91490, 94104, 98280, 101946, 104560, 109788, 117630, 118937, 135928, 137235, 141156, 146384, 152919, 156840, 164682, 169910, 176445, 182980, 188208, 196560, 203892, 219576, 235260, 237874, 247023, 254865, 271856, 274470, 282312, 305838, 313680, 329364, 339820, 352890, 356811, 365960, 407784, 411705, 439152, 458757, 470520, 475748, 494046, 509730, 548940, 564624, 594685, 611676, 658728, 679640, 705780, 713622, 731920, 764595, 815568, 823410, 917514, 941040, 951496, 988092, 1019460, 1070433, 1097880, 1189370, 1223352, 1235115, 1317456, 1359280, 1411560, 1427244, 1529190, 1646820, 1784055, 1835028, 1902992, 1976184, 2038920, 2140866, 2195760, 2293785, 2378740, 2446704, 2470230, 2823120, 2854488, 3058380, 3211299, 3293640, 3568110, 3670056, 3952368, 4077840, 4281732, 4587570, 4757480, 4940460, 5352165, 5708976, 6116760, 6422598, 6587280, 7136220, 7340112, 8563464, 9175140, 9514960, 9880920, 10704330, 12233520, 12845196, 14272440, 16056495, 17126928, 18350280, 19761840, 21408660, 25690392, 28544880, 32112990, 36700560, 42817320, 51380784, 64225980, 85634640, 128451960, 256903920]

約数ペア:

[(1, 256903920), (2, 128451960), (3, 85634640), (4, 64225980), (5, 51380784), (6, 42817320), (7, 36700560), (8, 32112990), (9, 28544880), (10, 25690392), (12, 21408660), (13, 19761840), (14, 18350280), (15, 17126928), (16, 16056495), (18, 14272440), (20, 12845196), (21, 12233520), (24, 10704330), (26, 9880920), (27, 9514960), (28, 9175140), (30, 8563464), (35, 7340112), (36, 7136220), (39, 6587280), (40, 6422598), (42, 6116760), (45, 5708976), (48, 5352165), (52, 4940460), (54, 4757480), (56, 4587570), (60, 4281732), (63, 4077840), (65, 3952368), (70, 3670056), (72, 3568110), (78, 3293640), (80, 3211299), (84, 3058380), (90, 2854488), (91, 2823120), (104, 2470230), (105, 2446704), (108, 2378740), (112, 2293785), (117, 2195760), (120, 2140866), (126, 2038920), (130, 1976184), (135, 1902992), (140, 1835028), (144, 1784055), (156, 1646820), (168, 1529190), (180, 1427244), (182, 1411560), (189, 1359280), (195, 1317456), (208, 1235115), (210, 1223352), (216, 1189370), (234, 1097880), (240, 1070433), (252, 1019460), (260, 988092), (270, 951496), (273, 941040), (280, 917514), (312, 823410), (315, 815568), (336, 764595), (351, 731920), (360, 713622), (364, 705780), (378, 679640), (390, 658728), (420, 611676), (432, 594685), (455, 564624), (468, 548940), (504, 509730), (520, 494046), (540, 475748), (546, 470520), (560, 458757), (585, 439152), (624, 411705), (630, 407784), (702, 365960), (720, 356811), (728, 352890), (756, 339820), (780, 329364), (819, 313680), (840, 305838), (910, 282312), (936, 274470), (945, 271856), (1008, 254865), (1040, 247023), (1080, 237874), (1092, 235260), (1170, 219576), (1260, 203892), (1307, 196560), (1365, 188208), (1404, 182980), (1456, 176445), (1512, 169910), (1560, 164682), (1638, 156840), (1680, 152919), (1755, 146384), (1820, 141156), (1872, 137235), (1890, 135928), (2160, 118937), (2184, 117630), (2340, 109788), (2457, 104560), (2520, 101946), (2614, 98280), (2730, 94104), (2808, 91490), (3024, 84955), (3120, 82341), (3276, 78420), (3510, 73192), (3640, 70578), (3780, 67964), (3921, 65520), (4095, 62736), (4368, 58815), (4680, 54894), (4914, 52280), (5040, 50973), (5228, 49140), (5460, 47052), (5616, 45745), (6535, 39312), (6552, 39210), (7020, 36596), (7280, 35289), (7560, 33982), (7842, 32760), (8190, 31368), (9149, 28080), (9360, 27447), (9828, 26140), (10456, 24570), (10920, 23526), (11763, 21840), (12285, 20912), (13070, 19656), (13104, 19605), (14040, 18298), (15120, 16991), (15684, 16380)]