18553920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 224

約数和(自身を含む): 73737216

約数和(自身を除く): 55183296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 251, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 502, 528, 560, 616, 660, 672, 704, 753, 770, 840, 880, 924, 960, 1004, 1056, 1120, 1155, 1232, 1255, 1320, 1344, 1506, 1540, 1680, 1757, 1760, 1848, 2008, 2112, 2240, 2310, 2464, 2510, 2640, 2761, 3012, 3080, 3360, 3514, 3520, 3696, 3765, 4016, 4620, 4928, 5020, 5271, 5280, 5522, 6024, 6160, 6720, 7028, 7392, 7530, 8032, 8283, 8785, 9240, 10040, 10542, 10560, 11044, 12048, 12320, 13805, 14056, 14784, 15060, 16064, 16566, 17570, 18480, 19327, 20080, 21084, 22088, 24096, 24640, 26355, 27610, 28112, 30120, 33132, 35140, 36960, 38654, 40160, 41415, 42168, 44176, 48192, 52710, 55220, 56224, 57981, 60240, 66264, 70280, 73920, 77308, 80320, 82830, 84336, 88352, 96635, 105420, 110440, 112448, 115962, 120480, 132528, 140560, 154616, 165660, 168672, 176704, 193270, 210840, 220880, 231924, 240960, 265056, 281120, 289905, 309232, 331320, 337344, 386540, 421680, 441760, 463848, 530112, 562240, 579810, 618464, 662640, 773080, 843360, 883520, 927696, 1159620, 1236928, 1325280, 1546160, 1686720, 1855392, 2319240, 2650560, 3092320, 3710784, 4638480, 6184640, 9276960, 18553920]

約数ペア:

[(1, 18553920), (2, 9276960), (3, 6184640), (4, 4638480), (5, 3710784), (6, 3092320), (7, 2650560), (8, 2319240), (10, 1855392), (11, 1686720), (12, 1546160), (14, 1325280), (15, 1236928), (16, 1159620), (20, 927696), (21, 883520), (22, 843360), (24, 773080), (28, 662640), (30, 618464), (32, 579810), (33, 562240), (35, 530112), (40, 463848), (42, 441760), (44, 421680), (48, 386540), (55, 337344), (56, 331320), (60, 309232), (64, 289905), (66, 281120), (70, 265056), (77, 240960), (80, 231924), (84, 220880), (88, 210840), (96, 193270), (105, 176704), (110, 168672), (112, 165660), (120, 154616), (132, 140560), (140, 132528), (154, 120480), (160, 115962), (165, 112448), (168, 110440), (176, 105420), (192, 96635), (210, 88352), (220, 84336), (224, 82830), (231, 80320), (240, 77308), (251, 73920), (264, 70280), (280, 66264), (308, 60240), (320, 57981), (330, 56224), (336, 55220), (352, 52710), (385, 48192), (420, 44176), (440, 42168), (448, 41415), (462, 40160), (480, 38654), (502, 36960), (528, 35140), (560, 33132), (616, 30120), (660, 28112), (672, 27610), (704, 26355), (753, 24640), (770, 24096), (840, 22088), (880, 21084), (924, 20080), (960, 19327), (1004, 18480), (1056, 17570), (1120, 16566), (1155, 16064), (1232, 15060), (1255, 14784), (1320, 14056), (1344, 13805), (1506, 12320), (1540, 12048), (1680, 11044), (1757, 10560), (1760, 10542), (1848, 10040), (2008, 9240), (2112, 8785), (2240, 8283), (2310, 8032), (2464, 7530), (2510, 7392), (2640, 7028), (2761, 6720), (3012, 6160), (3080, 6024), (3360, 5522), (3514, 5280), (3520, 5271), (3696, 5020), (3765, 4928), (4016, 4620)]