154380520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 412439040

約数和(自身を除く): 258058520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 101, 103, 106, 140, 202, 206, 212, 265, 280, 371, 404, 412, 424, 505, 515, 530, 707, 721, 742, 808, 824, 1010, 1030, 1060, 1414, 1442, 1484, 1855, 2020, 2060, 2120, 2828, 2884, 2968, 3535, 3605, 3710, 4040, 4120, 5353, 5459, 5656, 5768, 7070, 7210, 7420, 10403, 10706, 10918, 14140, 14420, 14840, 20806, 21412, 21836, 26765, 27295, 28280, 28840, 37471, 38213, 41612, 42824, 43672, 52015, 53530, 54590, 72821, 74942, 76426, 83224, 104030, 107060, 109180, 145642, 149884, 152852, 187355, 191065, 208060, 214120, 218360, 291284, 299768, 305704, 364105, 374710, 382130, 416120, 551359, 582568, 728210, 749420, 764260, 1102718, 1456420, 1498840, 1528520, 2205436, 2756795, 2912840, 3859513, 4410872, 5513590, 7719026, 11027180, 15438052, 19297565, 22054360, 30876104, 38595130, 77190260, 154380520]

約数ペア:

[(1, 154380520), (2, 77190260), (4, 38595130), (5, 30876104), (7, 22054360), (8, 19297565), (10, 15438052), (14, 11027180), (20, 7719026), (28, 5513590), (35, 4410872), (40, 3859513), (53, 2912840), (56, 2756795), (70, 2205436), (101, 1528520), (103, 1498840), (106, 1456420), (140, 1102718), (202, 764260), (206, 749420), (212, 728210), (265, 582568), (280, 551359), (371, 416120), (404, 382130), (412, 374710), (424, 364105), (505, 305704), (515, 299768), (530, 291284), (707, 218360), (721, 214120), (742, 208060), (808, 191065), (824, 187355), (1010, 152852), (1030, 149884), (1060, 145642), (1414, 109180), (1442, 107060), (1484, 104030), (1855, 83224), (2020, 76426), (2060, 74942), (2120, 72821), (2828, 54590), (2884, 53530), (2968, 52015), (3535, 43672), (3605, 42824), (3710, 41612), (4040, 38213), (4120, 37471), (5353, 28840), (5459, 28280), (5656, 27295), (5768, 26765), (7070, 21836), (7210, 21412), (7420, 20806), (10403, 14840), (10706, 14420), (10918, 14140)]