1818308520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{240517}}^1$

素因数の和:240544

約数の個数: 128

約数和(自身を含む): 6926918400

約数和(自身を除く): 5108609880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 240517, 481034, 721551, 962068, 1202585, 1443102, 1683619, 1924136, 2164653, 2405170, 2886204, 3367238, 3607755, 4329306, 4810340, 5050857, 5772408, 6493959, 6734476, 7215510, 8418095, 8658612, 9620680, 10101714, 10823265, 12987918, 13468952, 14431020, 15152571, 16836190, 17317224, 20203428, 21646530, 25254285, 25975836, 28862040, 30305142, 32469795, 33672380, 40406856, 43293060, 45457713, 50508570, 51951672, 60610284, 64939590, 67344760, 75762855, 86586120, 90915426, 101017140, 121220568, 129879180, 151525710, 181830852, 202034280, 227288565, 259758360, 303051420, 363661704, 454577130, 606102840, 909154260, 1818308520]

約数ペア:

[(1, 1818308520), (2, 909154260), (3, 606102840), (4, 454577130), (5, 363661704), (6, 303051420), (7, 259758360), (8, 227288565), (9, 202034280), (10, 181830852), (12, 151525710), (14, 129879180), (15, 121220568), (18, 101017140), (20, 90915426), (21, 86586120), (24, 75762855), (27, 67344760), (28, 64939590), (30, 60610284), (35, 51951672), (36, 50508570), (40, 45457713), (42, 43293060), (45, 40406856), (54, 33672380), (56, 32469795), (60, 30305142), (63, 28862040), (70, 25975836), (72, 25254285), (84, 21646530), (90, 20203428), (105, 17317224), (108, 16836190), (120, 15152571), (126, 14431020), (135, 13468952), (140, 12987918), (168, 10823265), (180, 10101714), (189, 9620680), (210, 8658612), (216, 8418095), (252, 7215510), (270, 6734476), (280, 6493959), (315, 5772408), (360, 5050857), (378, 4810340), (420, 4329306), (504, 3607755), (540, 3367238), (630, 2886204), (756, 2405170), (840, 2164653), (945, 1924136), (1080, 1683619), (1260, 1443102), (1512, 1202585), (1890, 962068), (2520, 721551), (3780, 481034), (7560, 240517)]