64521180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1033}}^1$

素因数の和:1395

約数の個数: 72

約数和(自身を含む): 196468272

約数和(自身を除く): 131947092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1033, 1041, 1388, 1735, 2066, 2082, 3099, 3123, 3470, 4132, 4164, 5165, 5205, 6198, 6246, 6940, 9297, 10330, 10410, 12396, 12492, 15495, 15615, 18594, 20660, 20820, 30990, 31230, 37188, 46485, 61980, 62460, 92970, 185940, 358451, 716902, 1075353, 1433804, 1792255, 2150706, 3226059, 3584510, 4301412, 5376765, 6452118, 7169020, 10753530, 12904236, 16130295, 21507060, 32260590, 64521180]

約数ペア:

[(1, 64521180), (2, 32260590), (3, 21507060), (4, 16130295), (5, 12904236), (6, 10753530), (9, 7169020), (10, 6452118), (12, 5376765), (15, 4301412), (18, 3584510), (20, 3226059), (30, 2150706), (36, 1792255), (45, 1433804), (60, 1075353), (90, 716902), (180, 358451), (347, 185940), (694, 92970), (1033, 62460), (1041, 61980), (1388, 46485), (1735, 37188), (2066, 31230), (2082, 30990), (3099, 20820), (3123, 20660), (3470, 18594), (4132, 15615), (4164, 15495), (5165, 12492), (5205, 12396), (6198, 10410), (6246, 10330), (6940, 9297)]