65840720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3253}}^1$

素因数の和:3300

約数の個数: 80

約数和(自身を含む): 174310272

約数和(自身を除く): 108469552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3253, 4048, 5060, 6506, 10120, 13012, 16265, 20240, 26024, 32530, 35783, 52048, 65060, 71566, 74819, 130120, 143132, 149638, 178915, 260240, 286264, 299276, 357830, 374095, 572528, 598552, 715660, 748190, 823009, 1197104, 1431320, 1496380, 1646018, 2862640, 2992760, 3292036, 4115045, 5985520, 6584072, 8230090, 13168144, 16460180, 32920360, 65840720]

約数ペア:

[(1, 65840720), (2, 32920360), (4, 16460180), (5, 13168144), (8, 8230090), (10, 6584072), (11, 5985520), (16, 4115045), (20, 3292036), (22, 2992760), (23, 2862640), (40, 1646018), (44, 1496380), (46, 1431320), (55, 1197104), (80, 823009), (88, 748190), (92, 715660), (110, 598552), (115, 572528), (176, 374095), (184, 357830), (220, 299276), (230, 286264), (253, 260240), (368, 178915), (440, 149638), (460, 143132), (506, 130120), (880, 74819), (920, 71566), (1012, 65060), (1265, 52048), (1840, 35783), (2024, 32530), (2530, 26024), (3253, 20240), (4048, 16265), (5060, 13012), (6506, 10120)]