648785520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1049}}^1$

素因数の和:1927

約数の個数: 120

約数和(自身を含む): 2183454000

約数和(自身を除く): 1534668480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 859, 1049, 1718, 2098, 2577, 3147, 3436, 4196, 4295, 5154, 5245, 6294, 6872, 7731, 8392, 8590, 9441, 10308, 10490, 12588, 12885, 13744, 15462, 15735, 16784, 17180, 18882, 20616, 20980, 25176, 25770, 30924, 31470, 34360, 37764, 38655, 41232, 41960, 47205, 50352, 51540, 61848, 62940, 68720, 75528, 77310, 83920, 94410, 103080, 123696, 125880, 151056, 154620, 188820, 206160, 251760, 309240, 377640, 618480, 755280, 901091, 1802182, 2703273, 3604364, 4505455, 5406546, 7208728, 8109819, 9010910, 10813092, 13516365, 14417456, 16219638, 18021820, 21626184, 27032730, 32439276, 36043640, 40549095, 43252368, 54065460, 64878552, 72087280, 81098190, 108130920, 129757104, 162196380, 216261840, 324392760, 648785520]

約数ペア:

[(1, 648785520), (2, 324392760), (3, 216261840), (4, 162196380), (5, 129757104), (6, 108130920), (8, 81098190), (9, 72087280), (10, 64878552), (12, 54065460), (15, 43252368), (16, 40549095), (18, 36043640), (20, 32439276), (24, 27032730), (30, 21626184), (36, 18021820), (40, 16219638), (45, 14417456), (48, 13516365), (60, 10813092), (72, 9010910), (80, 8109819), (90, 7208728), (120, 5406546), (144, 4505455), (180, 3604364), (240, 2703273), (360, 1802182), (720, 901091), (859, 755280), (1049, 618480), (1718, 377640), (2098, 309240), (2577, 251760), (3147, 206160), (3436, 188820), (4196, 154620), (4295, 151056), (5154, 125880), (5245, 123696), (6294, 103080), (6872, 94410), (7731, 83920), (8392, 77310), (8590, 75528), (9441, 68720), (10308, 62940), (10490, 61848), (12588, 51540), (12885, 50352), (13744, 47205), (15462, 41960), (15735, 41232), (16784, 38655), (17180, 37764), (18882, 34360), (20616, 31470), (20980, 30924), (25176, 25770)]