66940740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{971}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 203793408

約数和(自身を除く): 136852668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 971, 1149, 1532, 1915, 1942, 2298, 2913, 3447, 3830, 3884, 4596, 4855, 5745, 5826, 6894, 7660, 8739, 9710, 11490, 11652, 13788, 14565, 17235, 17478, 19420, 22980, 29130, 34470, 34956, 43695, 58260, 68940, 87390, 174780, 371893, 743786, 1115679, 1487572, 1859465, 2231358, 3347037, 3718930, 4462716, 5578395, 6694074, 7437860, 11156790, 13388148, 16735185, 22313580, 33470370, 66940740]

約数ペア:

[(1, 66940740), (2, 33470370), (3, 22313580), (4, 16735185), (5, 13388148), (6, 11156790), (9, 7437860), (10, 6694074), (12, 5578395), (15, 4462716), (18, 3718930), (20, 3347037), (30, 2231358), (36, 1859465), (45, 1487572), (60, 1115679), (90, 743786), (180, 371893), (383, 174780), (766, 87390), (971, 68940), (1149, 58260), (1532, 43695), (1915, 34956), (1942, 34470), (2298, 29130), (2913, 22980), (3447, 19420), (3830, 17478), (3884, 17235), (4596, 14565), (4855, 13788), (5745, 11652), (5826, 11490), (6894, 9710), (7660, 8739)]