68730720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 225212400

約数和(自身を除く): 156481680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 149, 155, 160, 186, 240, 248, 298, 310, 372, 447, 465, 480, 496, 596, 620, 744, 745, 894, 930, 961, 992, 1192, 1240, 1488, 1490, 1788, 1860, 1922, 2235, 2384, 2480, 2883, 2976, 2980, 3576, 3720, 3844, 4470, 4619, 4768, 4805, 4960, 5766, 5960, 7152, 7440, 7688, 8940, 9238, 9610, 11532, 11920, 13857, 14304, 14415, 14880, 15376, 17880, 18476, 19220, 23064, 23095, 23840, 27714, 28830, 30752, 35760, 36952, 38440, 46128, 46190, 55428, 57660, 69285, 71520, 73904, 76880, 92256, 92380, 110856, 115320, 138570, 143189, 147808, 153760, 184760, 221712, 230640, 277140, 286378, 369520, 429567, 443424, 461280, 554280, 572756, 715945, 739040, 859134, 1108560, 1145512, 1431890, 1718268, 2147835, 2217120, 2291024, 2863780, 3436536, 4295670, 4582048, 5727560, 6873072, 8591340, 11455120, 13746144, 17182680, 22910240, 34365360, 68730720]

約数ペア:

[(1, 68730720), (2, 34365360), (3, 22910240), (4, 17182680), (5, 13746144), (6, 11455120), (8, 8591340), (10, 6873072), (12, 5727560), (15, 4582048), (16, 4295670), (20, 3436536), (24, 2863780), (30, 2291024), (31, 2217120), (32, 2147835), (40, 1718268), (48, 1431890), (60, 1145512), (62, 1108560), (80, 859134), (93, 739040), (96, 715945), (120, 572756), (124, 554280), (149, 461280), (155, 443424), (160, 429567), (186, 369520), (240, 286378), (248, 277140), (298, 230640), (310, 221712), (372, 184760), (447, 153760), (465, 147808), (480, 143189), (496, 138570), (596, 115320), (620, 110856), (744, 92380), (745, 92256), (894, 76880), (930, 73904), (961, 71520), (992, 69285), (1192, 57660), (1240, 55428), (1488, 46190), (1490, 46128), (1788, 38440), (1860, 36952), (1922, 35760), (2235, 30752), (2384, 28830), (2480, 27714), (2883, 23840), (2976, 23095), (2980, 23064), (3576, 19220), (3720, 18476), (3844, 17880), (4470, 15376), (4619, 14880), (4768, 14415), (4805, 14304), (4960, 13857), (5766, 11920), (5960, 11532), (7152, 9610), (7440, 9238), (7688, 8940)]