204520680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2121

約数の個数: 256

約数和(自身を含む): 839462400

約数和(自身を除く): 634941720

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, 2081, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4162, 4680, 4914, 5460, 6243, 6552, 7020, 7560, 8190, 8324, 9828, 10405, 10920, 12285, 12486, 14040, 14567, 16380, 16648, 18729, 19656, 20810, 24570, 24972, 27053, 29134, 31215, 32760, 37458, 41620, 43701, 49140, 49944, 54106, 56187, 58268, 62430, 72835, 74916, 81159, 83240, 87402, 93645, 98280, 108212, 112374, 116536, 124860, 131103, 135265, 145670, 149832, 162318, 174804, 187290, 189371, 216424, 218505, 224748, 243477, 249720, 262206, 270530, 280935, 291340, 324636, 349608, 374580, 378742, 393309, 405795, 437010, 449496, 486954, 524412, 541060, 561870, 568113, 582680, 649272, 655515, 730431, 749160, 757484, 786618, 811590, 874020, 946855, 973908, 1048824, 1082120, 1123740, 1136226, 1217385, 1311030, 1460862, 1514968, 1573236, 1623180, 1704339, 1748040, 1893710, 1947816, 1966545, 2247480, 2272452, 2434770, 2622060, 2840565, 2921724, 3146472, 3246360, 3408678, 3652155, 3787420, 3933090, 4544904, 4869540, 5113017, 5244120, 5681130, 5843448, 6817356, 7304310, 7574840, 7866180, 8521695, 9739080, 10226034, 11362260, 13634712, 14608620, 15732360, 17043390, 20452068, 22724520, 25565085, 29217240, 34086780, 40904136, 51130170, 68173560, 102260340, 204520680]

約数ペア:

[(1, 204520680), (2, 102260340), (3, 68173560), (4, 51130170), (5, 40904136), (6, 34086780), (7, 29217240), (8, 25565085), (9, 22724520), (10, 20452068), (12, 17043390), (13, 15732360), (14, 14608620), (15, 13634712), (18, 11362260), (20, 10226034), (21, 9739080), (24, 8521695), (26, 7866180), (27, 7574840), (28, 7304310), (30, 6817356), (35, 5843448), (36, 5681130), (39, 5244120), (40, 5113017), (42, 4869540), (45, 4544904), (52, 3933090), (54, 3787420), (56, 3652155), (60, 3408678), (63, 3246360), (65, 3146472), (70, 2921724), (72, 2840565), (78, 2622060), (84, 2434770), (90, 2272452), (91, 2247480), (104, 1966545), (105, 1947816), (108, 1893710), (117, 1748040), (120, 1704339), (126, 1623180), (130, 1573236), (135, 1514968), (140, 1460862), (156, 1311030), (168, 1217385), (180, 1136226), (182, 1123740), (189, 1082120), (195, 1048824), (210, 973908), (216, 946855), (234, 874020), (252, 811590), (260, 786618), (270, 757484), (273, 749160), (280, 730431), (312, 655515), (315, 649272), (351, 582680), (360, 568113), (364, 561870), (378, 541060), (390, 524412), (420, 486954), (455, 449496), (468, 437010), (504, 405795), (520, 393309), (540, 378742), (546, 374580), (585, 349608), (630, 324636), (702, 291340), (728, 280935), (756, 270530), (780, 262206), (819, 249720), (840, 243477), (910, 224748), (936, 218505), (945, 216424), (1080, 189371), (1092, 187290), (1170, 174804), (1260, 162318), (1365, 149832), (1404, 145670), (1512, 135265), (1560, 131103), (1638, 124860), (1755, 116536), (1820, 112374), (1890, 108212), (2081, 98280), (2184, 93645), (2340, 87402), (2457, 83240), (2520, 81159), (2730, 74916), (2808, 72835), (3276, 62430), (3510, 58268), (3640, 56187), (3780, 54106), (4095, 49944), (4162, 49140), (4680, 43701), (4914, 41620), (5460, 37458), (6243, 32760), (6552, 31215), (7020, 29134), (7560, 27053), (8190, 24972), (8324, 24570), (9828, 20810), (10405, 19656), (10920, 18729), (12285, 16648), (12486, 16380), (14040, 14567)]