75641020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 206599680

約数和(自身を除く): 130958660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 139, 140, 161, 169, 182, 230, 260, 278, 299, 322, 338, 364, 455, 460, 556, 598, 644, 676, 695, 805, 845, 910, 973, 1183, 1196, 1390, 1495, 1610, 1690, 1807, 1820, 1946, 2093, 2366, 2780, 2990, 3197, 3220, 3380, 3614, 3887, 3892, 4186, 4732, 4865, 5915, 5980, 6394, 7228, 7774, 8372, 9035, 9730, 10465, 11830, 12649, 12788, 15548, 15985, 18070, 19435, 19460, 20930, 22379, 23491, 23660, 25298, 27209, 31970, 36140, 38870, 41561, 41860, 44758, 46982, 50596, 54418, 63245, 63940, 77740, 83122, 89516, 93964, 108836, 111895, 117455, 126490, 136045, 164437, 166244, 207805, 223790, 234910, 252980, 272090, 290927, 328874, 415610, 447580, 469820, 540293, 544180, 581854, 657748, 822185, 831220, 1080586, 1163708, 1454635, 1644370, 2161172, 2701465, 2909270, 3288740, 3782051, 5402930, 5818540, 7564102, 10805860, 15128204, 18910255, 37820510, 75641020]

約数ペア:

[(1, 75641020), (2, 37820510), (4, 18910255), (5, 15128204), (7, 10805860), (10, 7564102), (13, 5818540), (14, 5402930), (20, 3782051), (23, 3288740), (26, 2909270), (28, 2701465), (35, 2161172), (46, 1644370), (52, 1454635), (65, 1163708), (70, 1080586), (91, 831220), (92, 822185), (115, 657748), (130, 581854), (139, 544180), (140, 540293), (161, 469820), (169, 447580), (182, 415610), (230, 328874), (260, 290927), (278, 272090), (299, 252980), (322, 234910), (338, 223790), (364, 207805), (455, 166244), (460, 164437), (556, 136045), (598, 126490), (644, 117455), (676, 111895), (695, 108836), (805, 93964), (845, 89516), (910, 83122), (973, 77740), (1183, 63940), (1196, 63245), (1390, 54418), (1495, 50596), (1610, 46982), (1690, 44758), (1807, 41860), (1820, 41561), (1946, 38870), (2093, 36140), (2366, 31970), (2780, 27209), (2990, 25298), (3197, 23660), (3220, 23491), (3380, 22379), (3614, 20930), (3887, 19460), (3892, 19435), (4186, 18070), (4732, 15985), (4865, 15548), (5915, 12788), (5980, 12649), (6394, 11830), (7228, 10465), (7774, 9730), (8372, 9035)]