279977040

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{18517}}^1$

素因数の和:18546

約数の個数: 160

約数和(自身を含む): 1102191360

約数和(自身を除く): 822214320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 18517, 37034, 55551, 74068, 92585, 111102, 129619, 148136, 166653, 185170, 222204, 259238, 277755, 296272, 333306, 370340, 388857, 444408, 499959, 518476, 555510, 648095, 666612, 740680, 777714, 833265, 888816, 999918, 1036952, 1111020, 1166571, 1296190, 1333224, 1481360, 1555428, 1666530, 1944285, 1999836, 2073904, 2222040, 2333142, 2499795, 2592380, 2666448, 3110856, 3333060, 3499713, 3888570, 3999672, 4444080, 4666284, 4999590, 5184760, 5832855, 6221712, 6666120, 6999426, 7777140, 7999344, 9332568, 9999180, 10369520, 11665710, 13332240, 13998852, 15554280, 17498565, 18665136, 19998360, 23331420, 27997704, 31108560, 34997130, 39996720, 46662840, 55995408, 69994260, 93325680, 139988520, 279977040]

約数ペア:

[(1, 279977040), (2, 139988520), (3, 93325680), (4, 69994260), (5, 55995408), (6, 46662840), (7, 39996720), (8, 34997130), (9, 31108560), (10, 27997704), (12, 23331420), (14, 19998360), (15, 18665136), (16, 17498565), (18, 15554280), (20, 13998852), (21, 13332240), (24, 11665710), (27, 10369520), (28, 9999180), (30, 9332568), (35, 7999344), (36, 7777140), (40, 6999426), (42, 6666120), (45, 6221712), (48, 5832855), (54, 5184760), (56, 4999590), (60, 4666284), (63, 4444080), (70, 3999672), (72, 3888570), (80, 3499713), (84, 3333060), (90, 3110856), (105, 2666448), (108, 2592380), (112, 2499795), (120, 2333142), (126, 2222040), (135, 2073904), (140, 1999836), (144, 1944285), (168, 1666530), (180, 1555428), (189, 1481360), (210, 1333224), (216, 1296190), (240, 1166571), (252, 1111020), (270, 1036952), (280, 999918), (315, 888816), (336, 833265), (360, 777714), (378, 740680), (420, 666612), (432, 648095), (504, 555510), (540, 518476), (560, 499959), (630, 444408), (720, 388857), (756, 370340), (840, 333306), (945, 296272), (1008, 277755), (1080, 259238), (1260, 222204), (1512, 185170), (1680, 166653), (1890, 148136), (2160, 129619), (2520, 111102), (3024, 92585), (3780, 74068), (5040, 55551), (7560, 37034), (15120, 18517)]