1520953020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{42461}}^1$

素因数の和:42675

約数の個数: 72

約数和(自身を含む): 4636850400

約数和(自身を除く): 3115897380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8955, 11940, 17910, 35820, 42461, 84922, 127383, 169844, 212305, 254766, 382149, 424610, 509532, 636915, 764298, 849220, 1273830, 1528596, 1910745, 2547660, 3821490, 7642980, 8449739, 16899478, 25349217, 33798956, 42248695, 50698434, 76047651, 84497390, 101396868, 126746085, 152095302, 168994780, 253492170, 304190604, 380238255, 506984340, 760476510, 1520953020]

約数ペア:

[(1, 1520953020), (2, 760476510), (3, 506984340), (4, 380238255), (5, 304190604), (6, 253492170), (9, 168994780), (10, 152095302), (12, 126746085), (15, 101396868), (18, 84497390), (20, 76047651), (30, 50698434), (36, 42248695), (45, 33798956), (60, 25349217), (90, 16899478), (180, 8449739), (199, 7642980), (398, 3821490), (597, 2547660), (796, 1910745), (995, 1528596), (1194, 1273830), (1791, 849220), (1990, 764298), (2388, 636915), (2985, 509532), (3582, 424610), (3980, 382149), (5970, 254766), (7164, 212305), (8955, 169844), (11940, 127383), (17910, 84922), (35820, 42461)]