180385020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5087}}^1$

素因数の和:5299

約数の個数: 72

約数和(自身を含む): 550053504

約数和(自身を除く): 369668484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5087, 5910, 7092, 8865, 10174, 11820, 15261, 17730, 20348, 25435, 30522, 35460, 45783, 50870, 61044, 76305, 91566, 101740, 152610, 183132, 228915, 305220, 457830, 915660, 1002139, 2004278, 3006417, 4008556, 5010695, 6012834, 9019251, 10021390, 12025668, 15032085, 18038502, 20042780, 30064170, 36077004, 45096255, 60128340, 90192510, 180385020]

約数ペア:

[(1, 180385020), (2, 90192510), (3, 60128340), (4, 45096255), (5, 36077004), (6, 30064170), (9, 20042780), (10, 18038502), (12, 15032085), (15, 12025668), (18, 10021390), (20, 9019251), (30, 6012834), (36, 5010695), (45, 4008556), (60, 3006417), (90, 2004278), (180, 1002139), (197, 915660), (394, 457830), (591, 305220), (788, 228915), (985, 183132), (1182, 152610), (1773, 101740), (1970, 91566), (2364, 76305), (2955, 61044), (3546, 50870), (3940, 45783), (5087, 35460), (5910, 30522), (7092, 25435), (8865, 20348), (10174, 17730), (11820, 15261)]