78688260

素因数分解:

$2^2\times 3^7\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 284336640

約数和(自身を除く): 205648380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 257, 270, 315, 324, 378, 405, 420, 486, 514, 540, 567, 630, 729, 756, 771, 810, 945, 972, 1028, 1134, 1215, 1260, 1285, 1458, 1542, 1620, 1701, 1799, 1890, 2187, 2268, 2313, 2430, 2570, 2835, 2916, 3084, 3402, 3598, 3645, 3780, 3855, 4374, 4626, 4860, 5103, 5140, 5397, 5670, 6804, 6939, 7196, 7290, 7710, 8505, 8748, 8995, 9252, 10206, 10794, 10935, 11340, 11565, 13878, 14580, 15309, 15420, 16191, 17010, 17990, 20412, 20817, 21588, 21870, 23130, 25515, 26985, 27756, 30618, 32382, 34020, 34695, 35980, 41634, 43740, 46260, 48573, 51030, 53970, 61236, 62451, 64764, 69390, 76545, 80955, 83268, 97146, 102060, 104085, 107940, 124902, 138780, 145719, 153090, 161910, 187353, 194292, 208170, 242865, 249804, 291438, 306180, 312255, 323820, 374706, 416340, 437157, 485730, 562059, 582876, 624510, 728595, 749412, 874314, 936765, 971460, 1124118, 1249020, 1311471, 1457190, 1748628, 1873530, 2185785, 2248236, 2622942, 2810295, 2914380, 3747060, 3934413, 4371570, 5245884, 5620590, 6557355, 7868826, 8743140, 11241180, 13114710, 15737652, 19672065, 26229420, 39344130, 78688260]

約数ペア:

[(1, 78688260), (2, 39344130), (3, 26229420), (4, 19672065), (5, 15737652), (6, 13114710), (7, 11241180), (9, 8743140), (10, 7868826), (12, 6557355), (14, 5620590), (15, 5245884), (18, 4371570), (20, 3934413), (21, 3747060), (27, 2914380), (28, 2810295), (30, 2622942), (35, 2248236), (36, 2185785), (42, 1873530), (45, 1748628), (54, 1457190), (60, 1311471), (63, 1249020), (70, 1124118), (81, 971460), (84, 936765), (90, 874314), (105, 749412), (108, 728595), (126, 624510), (135, 582876), (140, 562059), (162, 485730), (180, 437157), (189, 416340), (210, 374706), (243, 323820), (252, 312255), (257, 306180), (270, 291438), (315, 249804), (324, 242865), (378, 208170), (405, 194292), (420, 187353), (486, 161910), (514, 153090), (540, 145719), (567, 138780), (630, 124902), (729, 107940), (756, 104085), (771, 102060), (810, 97146), (945, 83268), (972, 80955), (1028, 76545), (1134, 69390), (1215, 64764), (1260, 62451), (1285, 61236), (1458, 53970), (1542, 51030), (1620, 48573), (1701, 46260), (1799, 43740), (1890, 41634), (2187, 35980), (2268, 34695), (2313, 34020), (2430, 32382), (2570, 30618), (2835, 27756), (2916, 26985), (3084, 25515), (3402, 23130), (3598, 21870), (3645, 21588), (3780, 20817), (3855, 20412), (4374, 17990), (4626, 17010), (4860, 16191), (5103, 15420), (5140, 15309), (5397, 14580), (5670, 13878), (6804, 11565), (6939, 11340), (7196, 10935), (7290, 10794), (7710, 10206), (8505, 9252), (8748, 8995)]