208706280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:683

約数の個数: 128

約数和(自身を含む): 667180800

約数和(自身を除く): 458474520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 263, 340, 389, 408, 510, 526, 680, 778, 789, 1020, 1052, 1167, 1315, 1556, 1578, 1945, 2040, 2104, 2334, 2630, 3112, 3156, 3890, 3945, 4471, 4668, 5260, 5835, 6312, 6613, 7780, 7890, 8942, 9336, 10520, 11670, 13226, 13413, 15560, 15780, 17884, 19839, 22355, 23340, 26452, 26826, 31560, 33065, 35768, 39678, 44710, 46680, 52904, 53652, 66130, 67065, 79356, 89420, 99195, 102307, 107304, 132260, 134130, 158712, 178840, 198390, 204614, 264520, 268260, 306921, 396780, 409228, 511535, 536520, 613842, 793560, 818456, 1023070, 1227684, 1534605, 1739219, 2046140, 2455368, 3069210, 3478438, 4092280, 5217657, 6138420, 6956876, 8696095, 10435314, 12276840, 13913752, 17392190, 20870628, 26088285, 34784380, 41741256, 52176570, 69568760, 104353140, 208706280]

約数ペア:

[(1, 208706280), (2, 104353140), (3, 69568760), (4, 52176570), (5, 41741256), (6, 34784380), (8, 26088285), (10, 20870628), (12, 17392190), (15, 13913752), (17, 12276840), (20, 10435314), (24, 8696095), (30, 6956876), (34, 6138420), (40, 5217657), (51, 4092280), (60, 3478438), (68, 3069210), (85, 2455368), (102, 2046140), (120, 1739219), (136, 1534605), (170, 1227684), (204, 1023070), (255, 818456), (263, 793560), (340, 613842), (389, 536520), (408, 511535), (510, 409228), (526, 396780), (680, 306921), (778, 268260), (789, 264520), (1020, 204614), (1052, 198390), (1167, 178840), (1315, 158712), (1556, 134130), (1578, 132260), (1945, 107304), (2040, 102307), (2104, 99195), (2334, 89420), (2630, 79356), (3112, 67065), (3156, 66130), (3890, 53652), (3945, 52904), (4471, 46680), (4668, 44710), (5260, 39678), (5835, 35768), (6312, 33065), (6613, 31560), (7780, 26826), (7890, 26452), (8942, 23340), (9336, 22355), (10520, 19839), (11670, 17884), (13226, 15780), (13413, 15560)]