656120880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14939}}^1$

素因数の和:15019

約数の個数: 120

約数和(自身を含む): 2239745040

約数和(自身を除く): 1583624160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 14939, 21960, 29878, 43920, 44817, 59756, 74695, 89634, 119512, 134451, 149390, 179268, 224085, 239024, 268902, 298780, 358536, 448170, 537804, 597560, 672255, 717072, 896340, 911279, 1075608, 1195120, 1344510, 1792680, 1822558, 2151216, 2689020, 2733837, 3585360, 3645116, 4556395, 5378040, 5467674, 7290232, 8201511, 9112790, 10756080, 10935348, 13669185, 14580464, 16403022, 18225580, 21870696, 27338370, 32806044, 36451160, 41007555, 43741392, 54676740, 65612088, 72902320, 82015110, 109353480, 131224176, 164030220, 218706960, 328060440, 656120880]

約数ペア:

[(1, 656120880), (2, 328060440), (3, 218706960), (4, 164030220), (5, 131224176), (6, 109353480), (8, 82015110), (9, 72902320), (10, 65612088), (12, 54676740), (15, 43741392), (16, 41007555), (18, 36451160), (20, 32806044), (24, 27338370), (30, 21870696), (36, 18225580), (40, 16403022), (45, 14580464), (48, 13669185), (60, 10935348), (61, 10756080), (72, 9112790), (80, 8201511), (90, 7290232), (120, 5467674), (122, 5378040), (144, 4556395), (180, 3645116), (183, 3585360), (240, 2733837), (244, 2689020), (305, 2151216), (360, 1822558), (366, 1792680), (488, 1344510), (549, 1195120), (610, 1075608), (720, 911279), (732, 896340), (915, 717072), (976, 672255), (1098, 597560), (1220, 537804), (1464, 448170), (1830, 358536), (2196, 298780), (2440, 268902), (2745, 239024), (2928, 224085), (3660, 179268), (4392, 149390), (4880, 134451), (5490, 119512), (7320, 89634), (8784, 74695), (10980, 59756), (14640, 44817), (14939, 43920), (21960, 29878)]