71320240

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 175488768

約数和(自身を除く): 104168528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 83, 92, 115, 166, 184, 230, 332, 368, 415, 460, 467, 664, 830, 920, 934, 1328, 1660, 1840, 1868, 1909, 2335, 3320, 3736, 3818, 4670, 6640, 7472, 7636, 9340, 9545, 10741, 15272, 18680, 19090, 21482, 30544, 37360, 38180, 38761, 42964, 53705, 76360, 77522, 85928, 107410, 152720, 155044, 171856, 193805, 214820, 310088, 387610, 429640, 620176, 775220, 859280, 891503, 1550440, 1783006, 3100880, 3566012, 4457515, 7132024, 8915030, 14264048, 17830060, 35660120, 71320240]

約数ペア:

[(1, 71320240), (2, 35660120), (4, 17830060), (5, 14264048), (8, 8915030), (10, 7132024), (16, 4457515), (20, 3566012), (23, 3100880), (40, 1783006), (46, 1550440), (80, 891503), (83, 859280), (92, 775220), (115, 620176), (166, 429640), (184, 387610), (230, 310088), (332, 214820), (368, 193805), (415, 171856), (460, 155044), (467, 152720), (664, 107410), (830, 85928), (920, 77522), (934, 76360), (1328, 53705), (1660, 42964), (1840, 38761), (1868, 38180), (1909, 37360), (2335, 30544), (3320, 21482), (3736, 19090), (3818, 18680), (4670, 15272), (6640, 10741), (7472, 9545), (7636, 9340)]