55681780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 155514240

約数和(自身を除く): 99832460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 173, 190, 209, 220, 242, 266, 308, 346, 380, 385, 418, 484, 532, 605, 665, 692, 770, 836, 847, 865, 1045, 1210, 1211, 1330, 1463, 1540, 1694, 1730, 1903, 2090, 2299, 2420, 2422, 2660, 2926, 3287, 3388, 3460, 3806, 4180, 4235, 4598, 4844, 5852, 6055, 6574, 7315, 7612, 8470, 9196, 9515, 11495, 12110, 13148, 13321, 14630, 16093, 16435, 16940, 19030, 20933, 22990, 23009, 24220, 26642, 29260, 32186, 32870, 36157, 38060, 41866, 45980, 46018, 53284, 64372, 65740, 66605, 72314, 80465, 83732, 92036, 104665, 115045, 133210, 144628, 146531, 160930, 180785, 209330, 230090, 253099, 266420, 293062, 321860, 361570, 397727, 418660, 460180, 506198, 586124, 723140, 732655, 795454, 1012396, 1265495, 1465310, 1590908, 1988635, 2530990, 2784089, 2930620, 3977270, 5061980, 5568178, 7954540, 11136356, 13920445, 27840890, 55681780]

約数ペア:

[(1, 55681780), (2, 27840890), (4, 13920445), (5, 11136356), (7, 7954540), (10, 5568178), (11, 5061980), (14, 3977270), (19, 2930620), (20, 2784089), (22, 2530990), (28, 1988635), (35, 1590908), (38, 1465310), (44, 1265495), (55, 1012396), (70, 795454), (76, 732655), (77, 723140), (95, 586124), (110, 506198), (121, 460180), (133, 418660), (140, 397727), (154, 361570), (173, 321860), (190, 293062), (209, 266420), (220, 253099), (242, 230090), (266, 209330), (308, 180785), (346, 160930), (380, 146531), (385, 144628), (418, 133210), (484, 115045), (532, 104665), (605, 92036), (665, 83732), (692, 80465), (770, 72314), (836, 66605), (847, 65740), (865, 64372), (1045, 53284), (1210, 46018), (1211, 45980), (1330, 41866), (1463, 38060), (1540, 36157), (1694, 32870), (1730, 32186), (1903, 29260), (2090, 26642), (2299, 24220), (2420, 23009), (2422, 22990), (2660, 20933), (2926, 19030), (3287, 16940), (3388, 16435), (3460, 16093), (3806, 14630), (4180, 13321), (4235, 13148), (4598, 12110), (4844, 11495), (5852, 9515), (6055, 9196), (6574, 8470), (7315, 7612)]