138395340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3217}}^1$

素因数の和:3471

約数の個数: 72

約数和(自身を含む): 421686720

約数和(自身を除く): 283291380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3217, 3585, 4302, 4780, 6434, 7170, 8604, 9651, 10755, 12868, 14340, 16085, 19302, 21510, 28953, 32170, 38604, 43020, 48255, 57906, 64340, 96510, 115812, 144765, 193020, 289530, 579060, 768863, 1537726, 2306589, 3075452, 3844315, 4613178, 6919767, 7688630, 9226356, 11532945, 13839534, 15377260, 23065890, 27679068, 34598835, 46131780, 69197670, 138395340]

約数ペア:

[(1, 138395340), (2, 69197670), (3, 46131780), (4, 34598835), (5, 27679068), (6, 23065890), (9, 15377260), (10, 13839534), (12, 11532945), (15, 9226356), (18, 7688630), (20, 6919767), (30, 4613178), (36, 3844315), (45, 3075452), (60, 2306589), (90, 1537726), (180, 768863), (239, 579060), (478, 289530), (717, 193020), (956, 144765), (1195, 115812), (1434, 96510), (2151, 64340), (2390, 57906), (2868, 48255), (3217, 43020), (3585, 38604), (4302, 32170), (4780, 28953), (6434, 21510), (7170, 19302), (8604, 16085), (9651, 14340), (10755, 12868)]