242795720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1901}}^1$

素因数の和:2046

約数の個数: 64

約数和(自身を含む): 569687040

約数和(自身を除く): 326891320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 1901, 2060, 3193, 3802, 4120, 6386, 7604, 9505, 12772, 15208, 15965, 19010, 25544, 31930, 38020, 58931, 63860, 76040, 117862, 127720, 195803, 235724, 294655, 391606, 471448, 589310, 783212, 979015, 1178620, 1566424, 1958030, 2357240, 3916060, 6069893, 7832120, 12139786, 24279572, 30349465, 48559144, 60698930, 121397860, 242795720]

約数ペア:

[(1, 242795720), (2, 121397860), (4, 60698930), (5, 48559144), (8, 30349465), (10, 24279572), (20, 12139786), (31, 7832120), (40, 6069893), (62, 3916060), (103, 2357240), (124, 1958030), (155, 1566424), (206, 1178620), (248, 979015), (310, 783212), (412, 589310), (515, 471448), (620, 391606), (824, 294655), (1030, 235724), (1240, 195803), (1901, 127720), (2060, 117862), (3193, 76040), (3802, 63860), (4120, 58931), (6386, 38020), (7604, 31930), (9505, 25544), (12772, 19010), (15208, 15965)]