1617840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 160

約数和(自身を含む): 6428160

約数和(自身を除く): 4810320

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, 107, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 214, 216, 240, 252, 270, 280, 315, 321, 336, 360, 378, 420, 428, 432, 504, 535, 540, 560, 630, 642, 720, 749, 756, 840, 856, 945, 963, 1008, 1070, 1080, 1260, 1284, 1498, 1512, 1605, 1680, 1712, 1890, 1926, 2140, 2160, 2247, 2520, 2568, 2889, 2996, 3024, 3210, 3745, 3780, 3852, 4280, 4494, 4815, 5040, 5136, 5778, 5992, 6420, 6741, 7490, 7560, 7704, 8560, 8988, 9630, 11235, 11556, 11984, 12840, 13482, 14445, 14980, 15120, 15408, 17976, 19260, 20223, 22470, 23112, 25680, 26964, 28890, 29960, 33705, 35952, 38520, 40446, 44940, 46224, 53928, 57780, 59920, 67410, 77040, 80892, 89880, 101115, 107856, 115560, 134820, 161784, 179760, 202230, 231120, 269640, 323568, 404460, 539280, 808920, 1617840]

約数ペア:

[(1, 1617840), (2, 808920), (3, 539280), (4, 404460), (5, 323568), (6, 269640), (7, 231120), (8, 202230), (9, 179760), (10, 161784), (12, 134820), (14, 115560), (15, 107856), (16, 101115), (18, 89880), (20, 80892), (21, 77040), (24, 67410), (27, 59920), (28, 57780), (30, 53928), (35, 46224), (36, 44940), (40, 40446), (42, 38520), (45, 35952), (48, 33705), (54, 29960), (56, 28890), (60, 26964), (63, 25680), (70, 23112), (72, 22470), (80, 20223), (84, 19260), (90, 17976), (105, 15408), (107, 15120), (108, 14980), (112, 14445), (120, 13482), (126, 12840), (135, 11984), (140, 11556), (144, 11235), (168, 9630), (180, 8988), (189, 8560), (210, 7704), (214, 7560), (216, 7490), (240, 6741), (252, 6420), (270, 5992), (280, 5778), (315, 5136), (321, 5040), (336, 4815), (360, 4494), (378, 4280), (420, 3852), (428, 3780), (432, 3745), (504, 3210), (535, 3024), (540, 2996), (560, 2889), (630, 2568), (642, 2520), (720, 2247), (749, 2160), (756, 2140), (840, 1926), (856, 1890), (945, 1712), (963, 1680), (1008, 1605), (1070, 1512), (1080, 1498), (1260, 1284)]