66305720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2713}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 164142720

約数和(自身を除く): 97837000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1222, 1880, 2444, 2713, 3055, 4888, 5426, 6110, 10852, 12220, 13565, 21704, 24440, 27130, 35269, 54260, 70538, 108520, 127511, 141076, 176345, 255022, 282152, 352690, 510044, 637555, 705380, 1020088, 1275110, 1410760, 1657643, 2550220, 3315286, 5100440, 6630572, 8288215, 13261144, 16576430, 33152860, 66305720]

約数ペア:

[(1, 66305720), (2, 33152860), (4, 16576430), (5, 13261144), (8, 8288215), (10, 6630572), (13, 5100440), (20, 3315286), (26, 2550220), (40, 1657643), (47, 1410760), (52, 1275110), (65, 1020088), (94, 705380), (104, 637555), (130, 510044), (188, 352690), (235, 282152), (260, 255022), (376, 176345), (470, 141076), (520, 127511), (611, 108520), (940, 70538), (1222, 54260), (1880, 35269), (2444, 27130), (2713, 24440), (3055, 21704), (4888, 13565), (5426, 12220), (6110, 10852)]