18010440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1052

約数の個数: 144

約数和(自身を含む): 68157180

約数和(自身を除く): 50146740

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1021, 1176, 1260, 1470, 1764, 1960, 2042, 2205, 2520, 2940, 3063, 3528, 4084, 4410, 5105, 5880, 6126, 7147, 8168, 8820, 9189, 10210, 12252, 14294, 15315, 17640, 18378, 20420, 21441, 24504, 28588, 30630, 35735, 36756, 40840, 42882, 45945, 50029, 57176, 61260, 64323, 71470, 73512, 85764, 91890, 100058, 107205, 122520, 128646, 142940, 150087, 171528, 183780, 200116, 214410, 250145, 257292, 285880, 300174, 321615, 367560, 400232, 428820, 450261, 500290, 514584, 600348, 643230, 750435, 857640, 900522, 1000580, 1200696, 1286460, 1500870, 1801044, 2001160, 2251305, 2572920, 3001740, 3602088, 4502610, 6003480, 9005220, 18010440]

約数ペア:

[(1, 18010440), (2, 9005220), (3, 6003480), (4, 4502610), (5, 3602088), (6, 3001740), (7, 2572920), (8, 2251305), (9, 2001160), (10, 1801044), (12, 1500870), (14, 1286460), (15, 1200696), (18, 1000580), (20, 900522), (21, 857640), (24, 750435), (28, 643230), (30, 600348), (35, 514584), (36, 500290), (40, 450261), (42, 428820), (45, 400232), (49, 367560), (56, 321615), (60, 300174), (63, 285880), (70, 257292), (72, 250145), (84, 214410), (90, 200116), (98, 183780), (105, 171528), (120, 150087), (126, 142940), (140, 128646), (147, 122520), (168, 107205), (180, 100058), (196, 91890), (210, 85764), (245, 73512), (252, 71470), (280, 64323), (294, 61260), (315, 57176), (360, 50029), (392, 45945), (420, 42882), (441, 40840), (490, 36756), (504, 35735), (588, 30630), (630, 28588), (735, 24504), (840, 21441), (882, 20420), (980, 18378), (1021, 17640), (1176, 15315), (1260, 14294), (1470, 12252), (1764, 10210), (1960, 9189), (2042, 8820), (2205, 8168), (2520, 7147), (2940, 6126), (3063, 5880), (3528, 5105), (4084, 4410)]