280900620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1605

約数の個数: 288

約数和(自身を含む): 1144765440

約数和(自身を除く): 863864820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 364, 385, 390, 396, 420, 429, 455, 462, 468, 495, 546, 572, 585, 630, 660, 693, 715, 770, 780, 819, 858, 910, 924, 990, 1001, 1092, 1155, 1170, 1260, 1287, 1365, 1386, 1430, 1540, 1559, 1638, 1716, 1820, 1980, 2002, 2145, 2310, 2340, 2574, 2730, 2772, 2860, 3003, 3118, 3276, 3465, 4004, 4095, 4290, 4620, 4677, 5005, 5148, 5460, 6006, 6236, 6435, 6930, 7795, 8190, 8580, 9009, 9354, 10010, 10913, 12012, 12870, 13860, 14031, 15015, 15590, 16380, 17149, 18018, 18708, 20020, 20267, 21826, 23385, 25740, 28062, 30030, 31180, 32739, 34298, 36036, 40534, 43652, 45045, 46770, 51447, 54565, 56124, 60060, 60801, 65478, 68596, 70155, 81068, 85745, 90090, 93540, 98217, 101335, 102894, 109130, 120043, 121602, 130956, 140310, 141869, 154341, 163695, 171490, 180180, 182403, 196434, 202670, 205788, 218260, 222937, 240086, 243204, 257235, 280620, 283738, 304005, 308682, 327390, 342980, 360129, 364806, 392868, 405340, 425607, 445874, 480172, 491085, 514470, 567476, 600215, 608010, 617364, 654780, 668811, 709345, 720258, 729612, 771705, 851214, 891748, 912015, 982170, 1028940, 1080387, 1114685, 1200430, 1216020, 1276821, 1337622, 1418690, 1440516, 1543410, 1560559, 1702428, 1800645, 1824030, 1964340, 2006433, 2128035, 2160774, 2229370, 2400860, 2553642, 2675244, 2837380, 3086820, 3121118, 3344055, 3601290, 3648060, 4012866, 4256070, 4321548, 4458740, 4681677, 5107284, 5401935, 6242236, 6384105, 6688110, 7202580, 7802795, 8025732, 8512140, 9363354, 10032165, 10803870, 12768210, 13376220, 14045031, 15605590, 18726708, 20064330, 21607740, 23408385, 25536420, 28090062, 31211180, 40128660, 46816770, 56180124, 70225155, 93633540, 140450310, 280900620]

約数ペア:

[(1, 280900620), (2, 140450310), (3, 93633540), (4, 70225155), (5, 56180124), (6, 46816770), (7, 40128660), (9, 31211180), (10, 28090062), (11, 25536420), (12, 23408385), (13, 21607740), (14, 20064330), (15, 18726708), (18, 15605590), (20, 14045031), (21, 13376220), (22, 12768210), (26, 10803870), (28, 10032165), (30, 9363354), (33, 8512140), (35, 8025732), (36, 7802795), (39, 7202580), (42, 6688110), (44, 6384105), (45, 6242236), (52, 5401935), (55, 5107284), (60, 4681677), (63, 4458740), (65, 4321548), (66, 4256070), (70, 4012866), (77, 3648060), (78, 3601290), (84, 3344055), (90, 3121118), (91, 3086820), (99, 2837380), (105, 2675244), (110, 2553642), (117, 2400860), (126, 2229370), (130, 2160774), (132, 2128035), (140, 2006433), (143, 1964340), (154, 1824030), (156, 1800645), (165, 1702428), (180, 1560559), (182, 1543410), (195, 1440516), (198, 1418690), (210, 1337622), (220, 1276821), (231, 1216020), (234, 1200430), (252, 1114685), (260, 1080387), (273, 1028940), (286, 982170), (308, 912015), (315, 891748), (330, 851214), (364, 771705), (385, 729612), (390, 720258), (396, 709345), (420, 668811), (429, 654780), (455, 617364), (462, 608010), (468, 600215), (495, 567476), (546, 514470), (572, 491085), (585, 480172), (630, 445874), (660, 425607), (693, 405340), (715, 392868), (770, 364806), (780, 360129), (819, 342980), (858, 327390), (910, 308682), (924, 304005), (990, 283738), (1001, 280620), (1092, 257235), (1155, 243204), (1170, 240086), (1260, 222937), (1287, 218260), (1365, 205788), (1386, 202670), (1430, 196434), (1540, 182403), (1559, 180180), (1638, 171490), (1716, 163695), (1820, 154341), (1980, 141869), (2002, 140310), (2145, 130956), (2310, 121602), (2340, 120043), (2574, 109130), (2730, 102894), (2772, 101335), (2860, 98217), (3003, 93540), (3118, 90090), (3276, 85745), (3465, 81068), (4004, 70155), (4095, 68596), (4290, 65478), (4620, 60801), (4677, 60060), (5005, 56124), (5148, 54565), (5460, 51447), (6006, 46770), (6236, 45045), (6435, 43652), (6930, 40534), (7795, 36036), (8190, 34298), (8580, 32739), (9009, 31180), (9354, 30030), (10010, 28062), (10913, 25740), (12012, 23385), (12870, 21826), (13860, 20267), (14031, 20020), (15015, 18708), (15590, 18018), (16380, 17149)]