180268740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:743

約数の個数: 120

約数和(自身を含む): 569184000

約数和(自身を除く): 388915260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 223, 270, 324, 405, 446, 499, 540, 669, 810, 892, 998, 1115, 1338, 1497, 1620, 1996, 2007, 2230, 2495, 2676, 2994, 3345, 4014, 4460, 4491, 4990, 5988, 6021, 6690, 7485, 8028, 8982, 9980, 10035, 12042, 13380, 13473, 14970, 17964, 18063, 20070, 22455, 24084, 26946, 29940, 30105, 36126, 40140, 40419, 44910, 53892, 60210, 67365, 72252, 80838, 89820, 90315, 111277, 120420, 134730, 161676, 180630, 202095, 222554, 269460, 333831, 361260, 404190, 445108, 556385, 667662, 808380, 1001493, 1112770, 1335324, 1669155, 2002986, 2225540, 3004479, 3338310, 4005972, 5007465, 6008958, 6676620, 9013437, 10014930, 12017916, 15022395, 18026874, 20029860, 30044790, 36053748, 45067185, 60089580, 90134370, 180268740]

約数ペア:

[(1, 180268740), (2, 90134370), (3, 60089580), (4, 45067185), (5, 36053748), (6, 30044790), (9, 20029860), (10, 18026874), (12, 15022395), (15, 12017916), (18, 10014930), (20, 9013437), (27, 6676620), (30, 6008958), (36, 5007465), (45, 4005972), (54, 3338310), (60, 3004479), (81, 2225540), (90, 2002986), (108, 1669155), (135, 1335324), (162, 1112770), (180, 1001493), (223, 808380), (270, 667662), (324, 556385), (405, 445108), (446, 404190), (499, 361260), (540, 333831), (669, 269460), (810, 222554), (892, 202095), (998, 180630), (1115, 161676), (1338, 134730), (1497, 120420), (1620, 111277), (1996, 90315), (2007, 89820), (2230, 80838), (2495, 72252), (2676, 67365), (2994, 60210), (3345, 53892), (4014, 44910), (4460, 40419), (4491, 40140), (4990, 36126), (5988, 30105), (6021, 29940), (6690, 26946), (7485, 24084), (8028, 22455), (8982, 20070), (9980, 18063), (10035, 17964), (12042, 14970), (13380, 13473)]