18065880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 50673960

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, 56, 60, 63, 67, 70, 72, 84, 90, 105, 107, 120, 126, 134, 140, 168, 180, 201, 210, 214, 252, 268, 280, 315, 321, 335, 360, 402, 420, 428, 469, 504, 535, 536, 603, 630, 642, 670, 749, 804, 840, 856, 938, 963, 1005, 1070, 1206, 1260, 1284, 1340, 1407, 1498, 1605, 1608, 1876, 1926, 2010, 2140, 2247, 2345, 2412, 2520, 2568, 2680, 2814, 2996, 3015, 3210, 3745, 3752, 3852, 4020, 4221, 4280, 4494, 4690, 4815, 4824, 5628, 5992, 6030, 6420, 6741, 7035, 7169, 7490, 7704, 8040, 8442, 8988, 9380, 9630, 11235, 11256, 12060, 12840, 13482, 14070, 14338, 14980, 16884, 17976, 18760, 19260, 21105, 21507, 22470, 24120, 26964, 28140, 28676, 29960, 33705, 33768, 35845, 38520, 42210, 43014, 44940, 50183, 53928, 56280, 57352, 64521, 67410, 71690, 84420, 86028, 89880, 100366, 107535, 129042, 134820, 143380, 150549, 168840, 172056, 200732, 215070, 250915, 258084, 269640, 286760, 301098, 322605, 401464, 430140, 451647, 501830, 516168, 602196, 645210, 752745, 860280, 903294, 1003660, 1204392, 1290420, 1505490, 1806588, 2007320, 2258235, 2580840, 3010980, 3613176, 4516470, 6021960, 9032940, 18065880]

約数ペア:

[(1, 18065880), (2, 9032940), (3, 6021960), (4, 4516470), (5, 3613176), (6, 3010980), (7, 2580840), (8, 2258235), (9, 2007320), (10, 1806588), (12, 1505490), (14, 1290420), (15, 1204392), (18, 1003660), (20, 903294), (21, 860280), (24, 752745), (28, 645210), (30, 602196), (35, 516168), (36, 501830), (40, 451647), (42, 430140), (45, 401464), (56, 322605), (60, 301098), (63, 286760), (67, 269640), (70, 258084), (72, 250915), (84, 215070), (90, 200732), (105, 172056), (107, 168840), (120, 150549), (126, 143380), (134, 134820), (140, 129042), (168, 107535), (180, 100366), (201, 89880), (210, 86028), (214, 84420), (252, 71690), (268, 67410), (280, 64521), (315, 57352), (321, 56280), (335, 53928), (360, 50183), (402, 44940), (420, 43014), (428, 42210), (469, 38520), (504, 35845), (535, 33768), (536, 33705), (603, 29960), (630, 28676), (642, 28140), (670, 26964), (749, 24120), (804, 22470), (840, 21507), (856, 21105), (938, 19260), (963, 18760), (1005, 17976), (1070, 16884), (1206, 14980), (1260, 14338), (1284, 14070), (1340, 13482), (1407, 12840), (1498, 12060), (1605, 11256), (1608, 11235), (1876, 9630), (1926, 9380), (2010, 8988), (2140, 8442), (2247, 8040), (2345, 7704), (2412, 7490), (2520, 7169), (2568, 7035), (2680, 6741), (2814, 6420), (2996, 6030), (3015, 5992), (3210, 5628), (3745, 4824), (3752, 4815), (3852, 4690), (4020, 4494), (4221, 4280)]