1325520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{263}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 5106816

約数和(自身を除く): 3781296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 263, 280, 315, 336, 360, 420, 504, 526, 560, 630, 720, 789, 840, 1008, 1052, 1260, 1315, 1578, 1680, 1841, 2104, 2367, 2520, 2630, 3156, 3682, 3945, 4208, 4734, 5040, 5260, 5523, 6312, 7364, 7890, 9205, 9468, 10520, 11046, 11835, 12624, 14728, 15780, 16569, 18410, 18936, 21040, 22092, 23670, 27615, 29456, 31560, 33138, 36820, 37872, 44184, 47340, 55230, 63120, 66276, 73640, 82845, 88368, 94680, 110460, 132552, 147280, 165690, 189360, 220920, 265104, 331380, 441840, 662760, 1325520]

約数ペア:

[(1, 1325520), (2, 662760), (3, 441840), (4, 331380), (5, 265104), (6, 220920), (7, 189360), (8, 165690), (9, 147280), (10, 132552), (12, 110460), (14, 94680), (15, 88368), (16, 82845), (18, 73640), (20, 66276), (21, 63120), (24, 55230), (28, 47340), (30, 44184), (35, 37872), (36, 36820), (40, 33138), (42, 31560), (45, 29456), (48, 27615), (56, 23670), (60, 22092), (63, 21040), (70, 18936), (72, 18410), (80, 16569), (84, 15780), (90, 14728), (105, 12624), (112, 11835), (120, 11046), (126, 10520), (140, 9468), (144, 9205), (168, 7890), (180, 7364), (210, 6312), (240, 5523), (252, 5260), (263, 5040), (280, 4734), (315, 4208), (336, 3945), (360, 3682), (420, 3156), (504, 2630), (526, 2520), (560, 2367), (630, 2104), (720, 1841), (789, 1680), (840, 1578), (1008, 1315), (1052, 1260)]