28151760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1$

素因数の和:1325

約数の個数: 160

約数和(自身を含む): 107493120

約数和(自身を除く): 79341360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1289, 1365, 1456, 1560, 1680, 1820, 2184, 2578, 2730, 3120, 3640, 3867, 4368, 5156, 5460, 6445, 7280, 7734, 9023, 10312, 10920, 12890, 15468, 16757, 18046, 19335, 20624, 21840, 25780, 27069, 30936, 33514, 36092, 38670, 45115, 50271, 51560, 54138, 61872, 67028, 72184, 77340, 83785, 90230, 100542, 103120, 108276, 117299, 134056, 135345, 144368, 154680, 167570, 180460, 201084, 216552, 234598, 251355, 268112, 270690, 309360, 335140, 351897, 360920, 402168, 433104, 469196, 502710, 541380, 586495, 670280, 703794, 721840, 804336, 938392, 1005420, 1082760, 1172990, 1340560, 1407588, 1759485, 1876784, 2010840, 2165520, 2345980, 2815176, 3518970, 4021680, 4691960, 5630352, 7037940, 9383920, 14075880, 28151760]

約数ペア:

[(1, 28151760), (2, 14075880), (3, 9383920), (4, 7037940), (5, 5630352), (6, 4691960), (7, 4021680), (8, 3518970), (10, 2815176), (12, 2345980), (13, 2165520), (14, 2010840), (15, 1876784), (16, 1759485), (20, 1407588), (21, 1340560), (24, 1172990), (26, 1082760), (28, 1005420), (30, 938392), (35, 804336), (39, 721840), (40, 703794), (42, 670280), (48, 586495), (52, 541380), (56, 502710), (60, 469196), (65, 433104), (70, 402168), (78, 360920), (80, 351897), (84, 335140), (91, 309360), (104, 270690), (105, 268112), (112, 251355), (120, 234598), (130, 216552), (140, 201084), (156, 180460), (168, 167570), (182, 154680), (195, 144368), (208, 135345), (210, 134056), (240, 117299), (260, 108276), (273, 103120), (280, 100542), (312, 90230), (336, 83785), (364, 77340), (390, 72184), (420, 67028), (455, 61872), (520, 54138), (546, 51560), (560, 50271), (624, 45115), (728, 38670), (780, 36092), (840, 33514), (910, 30936), (1040, 27069), (1092, 25780), (1289, 21840), (1365, 20624), (1456, 19335), (1560, 18046), (1680, 16757), (1820, 15468), (2184, 12890), (2578, 10920), (2730, 10312), (3120, 9023), (3640, 7734), (3867, 7280), (4368, 6445), (5156, 5460)]