1320981480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13441}}^1$

素因数の和:13481

約数の個数: 256

約数和(自身を含む): 5419814400

約数和(自身を除く): 4098832920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7560, 8190, 9828, 10920, 12285, 13441, 14040, 16380, 19656, 24570, 26882, 32760, 40323, 49140, 53764, 67205, 80646, 94087, 98280, 107528, 120969, 134410, 161292, 174733, 188174, 201615, 241938, 268820, 282261, 322584, 349466, 362907, 376348, 403230, 470435, 483876, 524199, 537640, 564522, 604845, 698932, 725814, 752696, 806460, 846783, 873665, 940870, 967752, 1048398, 1129044, 1209690, 1223131, 1397864, 1411305, 1451628, 1572597, 1612920, 1693566, 1747330, 1814535, 1881740, 2096796, 2258088, 2419380, 2446262, 2540349, 2620995, 2822610, 2903256, 3145194, 3387132, 3494660, 3629070, 3669393, 3763480, 4193592, 4233915, 4717791, 4838760, 4892524, 5080698, 5241990, 5645220, 6115655, 6290388, 6774264, 6989320, 7258140, 7338786, 7862985, 8467830, 9435582, 9785048, 10161396, 10483980, 11008179, 11290440, 12231310, 12580776, 12701745, 14516280, 14677572, 15725970, 16935660, 18346965, 18871164, 20322792, 20967960, 22016358, 23588955, 24462620, 25403490, 29355144, 31451940, 33024537, 33871320, 36693930, 37742328, 44032716, 47177910, 48925240, 50806980, 55040895, 62903880, 66049074, 73387860, 88065432, 94355820, 101613960, 110081790, 132098148, 146775720, 165122685, 188711640, 220163580, 264196296, 330245370, 440327160, 660490740, 1320981480]

約数ペア:

[(1, 1320981480), (2, 660490740), (3, 440327160), (4, 330245370), (5, 264196296), (6, 220163580), (7, 188711640), (8, 165122685), (9, 146775720), (10, 132098148), (12, 110081790), (13, 101613960), (14, 94355820), (15, 88065432), (18, 73387860), (20, 66049074), (21, 62903880), (24, 55040895), (26, 50806980), (27, 48925240), (28, 47177910), (30, 44032716), (35, 37742328), (36, 36693930), (39, 33871320), (40, 33024537), (42, 31451940), (45, 29355144), (52, 25403490), (54, 24462620), (56, 23588955), (60, 22016358), (63, 20967960), (65, 20322792), (70, 18871164), (72, 18346965), (78, 16935660), (84, 15725970), (90, 14677572), (91, 14516280), (104, 12701745), (105, 12580776), (108, 12231310), (117, 11290440), (120, 11008179), (126, 10483980), (130, 10161396), (135, 9785048), (140, 9435582), (156, 8467830), (168, 7862985), (180, 7338786), (182, 7258140), (189, 6989320), (195, 6774264), (210, 6290388), (216, 6115655), (234, 5645220), (252, 5241990), (260, 5080698), (270, 4892524), (273, 4838760), (280, 4717791), (312, 4233915), (315, 4193592), (351, 3763480), (360, 3669393), (364, 3629070), (378, 3494660), (390, 3387132), (420, 3145194), (455, 2903256), (468, 2822610), (504, 2620995), (520, 2540349), (540, 2446262), (546, 2419380), (585, 2258088), (630, 2096796), (702, 1881740), (728, 1814535), (756, 1747330), (780, 1693566), (819, 1612920), (840, 1572597), (910, 1451628), (936, 1411305), (945, 1397864), (1080, 1223131), (1092, 1209690), (1170, 1129044), (1260, 1048398), (1365, 967752), (1404, 940870), (1512, 873665), (1560, 846783), (1638, 806460), (1755, 752696), (1820, 725814), (1890, 698932), (2184, 604845), (2340, 564522), (2457, 537640), (2520, 524199), (2730, 483876), (2808, 470435), (3276, 403230), (3510, 376348), (3640, 362907), (3780, 349466), (4095, 322584), (4680, 282261), (4914, 268820), (5460, 241938), (6552, 201615), (7020, 188174), (7560, 174733), (8190, 161292), (9828, 134410), (10920, 120969), (12285, 107528), (13441, 98280), (14040, 94087), (16380, 80646), (19656, 67205), (24570, 53764), (26882, 49140), (32760, 40323)]