68357380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 187294464

約数和(自身を除く): 118937084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 71, 91, 92, 115, 130, 140, 142, 161, 182, 230, 260, 284, 299, 322, 355, 364, 455, 460, 497, 529, 598, 644, 710, 805, 910, 923, 994, 1058, 1196, 1420, 1495, 1610, 1633, 1820, 1846, 1988, 2093, 2116, 2485, 2645, 2990, 3220, 3266, 3692, 3703, 4186, 4615, 4970, 5290, 5980, 6461, 6532, 6877, 7406, 8165, 8372, 9230, 9940, 10465, 10580, 11431, 12922, 13754, 14812, 16330, 18460, 18515, 20930, 21229, 22862, 25844, 27508, 32305, 32660, 34385, 37030, 37559, 41860, 42458, 45724, 48139, 57155, 64610, 68770, 74060, 75118, 84916, 96278, 106145, 114310, 129220, 137540, 148603, 150236, 187795, 192556, 212290, 228620, 240695, 262913, 297206, 375590, 424580, 481390, 488267, 525826, 594412, 743015, 751180, 962780, 976534, 1051652, 1314565, 1486030, 1953068, 2441335, 2629130, 2972060, 3417869, 4882670, 5258260, 6835738, 9765340, 13671476, 17089345, 34178690, 68357380]

約数ペア:

[(1, 68357380), (2, 34178690), (4, 17089345), (5, 13671476), (7, 9765340), (10, 6835738), (13, 5258260), (14, 4882670), (20, 3417869), (23, 2972060), (26, 2629130), (28, 2441335), (35, 1953068), (46, 1486030), (52, 1314565), (65, 1051652), (70, 976534), (71, 962780), (91, 751180), (92, 743015), (115, 594412), (130, 525826), (140, 488267), (142, 481390), (161, 424580), (182, 375590), (230, 297206), (260, 262913), (284, 240695), (299, 228620), (322, 212290), (355, 192556), (364, 187795), (455, 150236), (460, 148603), (497, 137540), (529, 129220), (598, 114310), (644, 106145), (710, 96278), (805, 84916), (910, 75118), (923, 74060), (994, 68770), (1058, 64610), (1196, 57155), (1420, 48139), (1495, 45724), (1610, 42458), (1633, 41860), (1820, 37559), (1846, 37030), (1988, 34385), (2093, 32660), (2116, 32305), (2485, 27508), (2645, 25844), (2990, 22862), (3220, 21229), (3266, 20930), (3692, 18515), (3703, 18460), (4186, 16330), (4615, 14812), (4970, 13754), (5290, 12922), (5980, 11431), (6461, 10580), (6532, 10465), (6877, 9940), (7406, 9230), (8165, 8372)]