155117960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 357022080

約数和(自身を除く): 201904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 193, 283, 284, 355, 386, 566, 568, 710, 772, 965, 1132, 1415, 1420, 1544, 1930, 2264, 2830, 2840, 3860, 5660, 7720, 11320, 13703, 20093, 27406, 40186, 54619, 54812, 68515, 80372, 100465, 109238, 109624, 137030, 160744, 200930, 218476, 273095, 274060, 401860, 436952, 546190, 548120, 803720, 1092380, 2184760, 3877949, 7755898, 15511796, 19389745, 31023592, 38779490, 77558980, 155117960]

約数ペア:

[(1, 155117960), (2, 77558980), (4, 38779490), (5, 31023592), (8, 19389745), (10, 15511796), (20, 7755898), (40, 3877949), (71, 2184760), (142, 1092380), (193, 803720), (283, 548120), (284, 546190), (355, 436952), (386, 401860), (566, 274060), (568, 273095), (710, 218476), (772, 200930), (965, 160744), (1132, 137030), (1415, 109624), (1420, 109238), (1544, 100465), (1930, 80372), (2264, 68515), (2830, 54812), (2840, 54619), (3860, 40186), (5660, 27406), (7720, 20093), (11320, 13703)]