27663020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 77220864

約数和(自身を除く): 49557844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 71, 77, 92, 110, 115, 121, 140, 142, 154, 161, 220, 230, 242, 253, 284, 308, 322, 355, 385, 460, 484, 497, 506, 605, 644, 710, 770, 781, 805, 847, 994, 1012, 1210, 1265, 1420, 1540, 1562, 1610, 1633, 1694, 1771, 1988, 2420, 2485, 2530, 2783, 3124, 3220, 3266, 3388, 3542, 3905, 4235, 4970, 5060, 5467, 5566, 6532, 7084, 7810, 8165, 8470, 8591, 8855, 9940, 10934, 11132, 11431, 13915, 15620, 16330, 16940, 17182, 17710, 17963, 19481, 21868, 22862, 27335, 27830, 32660, 34364, 35420, 35926, 38962, 42955, 45724, 54670, 55660, 57155, 60137, 71852, 77924, 85910, 89815, 97405, 109340, 114310, 120274, 125741, 171820, 179630, 194810, 197593, 228620, 240548, 251482, 300685, 359260, 389620, 395186, 502964, 601370, 628705, 790372, 987965, 1202740, 1257410, 1383151, 1975930, 2514820, 2766302, 3951860, 5532604, 6915755, 13831510, 27663020]

約数ペア:

[(1, 27663020), (2, 13831510), (4, 6915755), (5, 5532604), (7, 3951860), (10, 2766302), (11, 2514820), (14, 1975930), (20, 1383151), (22, 1257410), (23, 1202740), (28, 987965), (35, 790372), (44, 628705), (46, 601370), (55, 502964), (70, 395186), (71, 389620), (77, 359260), (92, 300685), (110, 251482), (115, 240548), (121, 228620), (140, 197593), (142, 194810), (154, 179630), (161, 171820), (220, 125741), (230, 120274), (242, 114310), (253, 109340), (284, 97405), (308, 89815), (322, 85910), (355, 77924), (385, 71852), (460, 60137), (484, 57155), (497, 55660), (506, 54670), (605, 45724), (644, 42955), (710, 38962), (770, 35926), (781, 35420), (805, 34364), (847, 32660), (994, 27830), (1012, 27335), (1210, 22862), (1265, 21868), (1420, 19481), (1540, 17963), (1562, 17710), (1610, 17182), (1633, 16940), (1694, 16330), (1771, 15620), (1988, 13915), (2420, 11431), (2485, 11132), (2530, 10934), (2783, 9940), (3124, 8855), (3220, 8591), (3266, 8470), (3388, 8165), (3542, 7810), (3905, 7084), (4235, 6532), (4970, 5566), (5060, 5467)]