18091080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2393}}^1$

素因数の和:2420

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 50856120

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, 2393, 2520, 3780, 4786, 7179, 7560, 9572, 11965, 14358, 16751, 19144, 21537, 23930, 28716, 33502, 35895, 43074, 47860, 50253, 57432, 64611, 67004, 71790, 83755, 86148, 95720, 100506, 107685, 129222, 134008, 143580, 150759, 167510, 172296, 201012, 215370, 251265, 258444, 287160, 301518, 323055, 335020, 402024, 430740, 452277, 502530, 516888, 603036, 646110, 670040, 753795, 861480, 904554, 1005060, 1206072, 1292220, 1507590, 1809108, 2010120, 2261385, 2584440, 3015180, 3618216, 4522770, 6030360, 9045540, 18091080]

約数ペア:

[(1, 18091080), (2, 9045540), (3, 6030360), (4, 4522770), (5, 3618216), (6, 3015180), (7, 2584440), (8, 2261385), (9, 2010120), (10, 1809108), (12, 1507590), (14, 1292220), (15, 1206072), (18, 1005060), (20, 904554), (21, 861480), (24, 753795), (27, 670040), (28, 646110), (30, 603036), (35, 516888), (36, 502530), (40, 452277), (42, 430740), (45, 402024), (54, 335020), (56, 323055), (60, 301518), (63, 287160), (70, 258444), (72, 251265), (84, 215370), (90, 201012), (105, 172296), (108, 167510), (120, 150759), (126, 143580), (135, 134008), (140, 129222), (168, 107685), (180, 100506), (189, 95720), (210, 86148), (216, 83755), (252, 71790), (270, 67004), (280, 64611), (315, 57432), (360, 50253), (378, 47860), (420, 43074), (504, 35895), (540, 33502), (630, 28716), (756, 23930), (840, 21537), (945, 19144), (1080, 16751), (1260, 14358), (1512, 11965), (1890, 9572), (2393, 7560), (2520, 7179), (3780, 4786)]