68891340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 237081600

約数和(自身を除く): 168190260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 89, 95, 97, 105, 114, 133, 140, 178, 190, 194, 210, 228, 266, 267, 285, 291, 356, 380, 388, 399, 420, 445, 485, 532, 534, 570, 582, 623, 665, 679, 798, 890, 970, 1068, 1140, 1164, 1246, 1330, 1335, 1358, 1455, 1596, 1691, 1780, 1843, 1869, 1940, 1995, 2037, 2492, 2660, 2670, 2716, 2910, 3115, 3382, 3395, 3686, 3738, 3990, 4074, 5073, 5340, 5529, 5820, 6230, 6764, 6790, 7372, 7476, 7980, 8148, 8455, 8633, 9215, 9345, 10146, 10185, 11058, 11837, 12460, 12901, 13580, 16910, 17266, 18430, 18690, 20292, 20370, 22116, 23674, 25365, 25802, 25899, 27645, 33820, 34532, 35511, 36860, 37380, 38703, 40740, 43165, 47348, 50730, 51604, 51798, 55290, 59185, 60431, 64505, 71022, 77406, 86330, 101460, 103596, 110580, 118370, 120862, 129010, 129495, 142044, 154812, 164027, 172660, 177555, 181293, 193515, 236740, 241724, 258020, 258990, 302155, 328054, 355110, 362586, 387030, 492081, 517980, 604310, 656108, 710220, 725172, 774060, 820135, 906465, 984162, 1148189, 1208620, 1640270, 1812930, 1968324, 2296378, 2460405, 3280540, 3444567, 3625860, 4592756, 4920810, 5740945, 6889134, 9841620, 11481890, 13778268, 17222835, 22963780, 34445670, 68891340]

約数ペア:

[(1, 68891340), (2, 34445670), (3, 22963780), (4, 17222835), (5, 13778268), (6, 11481890), (7, 9841620), (10, 6889134), (12, 5740945), (14, 4920810), (15, 4592756), (19, 3625860), (20, 3444567), (21, 3280540), (28, 2460405), (30, 2296378), (35, 1968324), (38, 1812930), (42, 1640270), (57, 1208620), (60, 1148189), (70, 984162), (76, 906465), (84, 820135), (89, 774060), (95, 725172), (97, 710220), (105, 656108), (114, 604310), (133, 517980), (140, 492081), (178, 387030), (190, 362586), (194, 355110), (210, 328054), (228, 302155), (266, 258990), (267, 258020), (285, 241724), (291, 236740), (356, 193515), (380, 181293), (388, 177555), (399, 172660), (420, 164027), (445, 154812), (485, 142044), (532, 129495), (534, 129010), (570, 120862), (582, 118370), (623, 110580), (665, 103596), (679, 101460), (798, 86330), (890, 77406), (970, 71022), (1068, 64505), (1140, 60431), (1164, 59185), (1246, 55290), (1330, 51798), (1335, 51604), (1358, 50730), (1455, 47348), (1596, 43165), (1691, 40740), (1780, 38703), (1843, 37380), (1869, 36860), (1940, 35511), (1995, 34532), (2037, 33820), (2492, 27645), (2660, 25899), (2670, 25802), (2716, 25365), (2910, 23674), (3115, 22116), (3382, 20370), (3395, 20292), (3686, 18690), (3738, 18430), (3990, 17266), (4074, 16910), (5073, 13580), (5340, 12901), (5529, 12460), (5820, 11837), (6230, 11058), (6764, 10185), (6790, 10146), (7372, 9345), (7476, 9215), (7980, 8633), (8148, 8455)]