65687440

素因数分解:

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

素因数の和:1329

約数の個数: 120

約数和(自身を含む): 191472120

約数和(自身を除く): 125784680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1289, 1456, 1820, 1960, 2548, 2578, 3185, 3640, 3920, 5096, 5156, 6370, 6445, 7280, 9023, 10192, 10312, 12740, 12890, 16757, 18046, 20624, 25480, 25780, 33514, 36092, 45115, 50960, 51560, 63161, 67028, 72184, 83785, 90230, 103120, 117299, 126322, 134056, 144368, 167570, 180460, 234598, 252644, 268112, 315805, 335140, 360920, 469196, 505288, 586495, 631610, 670280, 721840, 821093, 938392, 1010576, 1172990, 1263220, 1340560, 1642186, 1876784, 2345980, 2526440, 3284372, 4105465, 4691960, 5052880, 6568744, 8210930, 9383920, 13137488, 16421860, 32843720, 65687440]

約数ペア:

[(1, 65687440), (2, 32843720), (4, 16421860), (5, 13137488), (7, 9383920), (8, 8210930), (10, 6568744), (13, 5052880), (14, 4691960), (16, 4105465), (20, 3284372), (26, 2526440), (28, 2345980), (35, 1876784), (40, 1642186), (49, 1340560), (52, 1263220), (56, 1172990), (65, 1010576), (70, 938392), (80, 821093), (91, 721840), (98, 670280), (104, 631610), (112, 586495), (130, 505288), (140, 469196), (182, 360920), (196, 335140), (208, 315805), (245, 268112), (260, 252644), (280, 234598), (364, 180460), (392, 167570), (455, 144368), (490, 134056), (520, 126322), (560, 117299), (637, 103120), (728, 90230), (784, 83785), (910, 72184), (980, 67028), (1040, 63161), (1274, 51560), (1289, 50960), (1456, 45115), (1820, 36092), (1960, 33514), (2548, 25780), (2578, 25480), (3185, 20624), (3640, 18046), (3920, 16757), (5096, 12890), (5156, 12740), (6370, 10312), (6445, 10192), (7280, 9023)]