80136180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1283}}^1$

素因数の和:1645

約数の個数: 72

約数和(自身を含む): 243970272

約数和(自身を除く): 163834092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1283, 1388, 1735, 2082, 2566, 3123, 3470, 3849, 4164, 5132, 5205, 6246, 6415, 6940, 7698, 10410, 11547, 12492, 12830, 15396, 15615, 19245, 20820, 23094, 25660, 31230, 38490, 46188, 57735, 62460, 76980, 115470, 230940, 445201, 890402, 1335603, 1780804, 2226005, 2671206, 4006809, 4452010, 5342412, 6678015, 8013618, 8904020, 13356030, 16027236, 20034045, 26712060, 40068090, 80136180]

約数ペア:

[(1, 80136180), (2, 40068090), (3, 26712060), (4, 20034045), (5, 16027236), (6, 13356030), (9, 8904020), (10, 8013618), (12, 6678015), (15, 5342412), (18, 4452010), (20, 4006809), (30, 2671206), (36, 2226005), (45, 1780804), (60, 1335603), (90, 890402), (180, 445201), (347, 230940), (694, 115470), (1041, 76980), (1283, 62460), (1388, 57735), (1735, 46188), (2082, 38490), (2566, 31230), (3123, 25660), (3470, 23094), (3849, 20820), (4164, 19245), (5132, 15615), (5205, 15396), (6246, 12830), (6415, 12492), (6940, 11547), (7698, 10410)]