78639120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{743}}^1$

素因数の和:779

約数の個数: 240

約数和(自身を含む): 315515520

約数和(自身を除く): 236876400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 630, 720, 735, 743, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1260, 1323, 1470, 1486, 1512, 1680, 1764, 1890, 1960, 2160, 2205, 2229, 2352, 2520, 2646, 2940, 2972, 3024, 3528, 3715, 3780, 3920, 4410, 4458, 5040, 5201, 5292, 5880, 5944, 6615, 6687, 7056, 7430, 7560, 8820, 8916, 10402, 10584, 11145, 11760, 11888, 13230, 13374, 14860, 15120, 15603, 17640, 17832, 20061, 20804, 21168, 22290, 26005, 26460, 26748, 29720, 31206, 33435, 35280, 35664, 36407, 40122, 41608, 44580, 46809, 52010, 52920, 53496, 59440, 62412, 66870, 72814, 78015, 80244, 83216, 89160, 93618, 100305, 104020, 105840, 106992, 109221, 124824, 133740, 140427, 145628, 156030, 160488, 178320, 182035, 187236, 200610, 208040, 218442, 234045, 249648, 267480, 280854, 291256, 312060, 320976, 327663, 364070, 374472, 401220, 416080, 436884, 468090, 534960, 546105, 561708, 582512, 624120, 655326, 702135, 728140, 748944, 802440, 873768, 936180, 982989, 1092210, 1123416, 1248240, 1310652, 1404270, 1456280, 1604880, 1638315, 1747536, 1872360, 1965978, 2184420, 2246832, 2621304, 2808540, 2912560, 3276630, 3744720, 3931956, 4368840, 4914945, 5242608, 5617080, 6553260, 7863912, 8737680, 9829890, 11234160, 13106520, 15727824, 19659780, 26213040, 39319560, 78639120]

約数ペア:

[(1, 78639120), (2, 39319560), (3, 26213040), (4, 19659780), (5, 15727824), (6, 13106520), (7, 11234160), (8, 9829890), (9, 8737680), (10, 7863912), (12, 6553260), (14, 5617080), (15, 5242608), (16, 4914945), (18, 4368840), (20, 3931956), (21, 3744720), (24, 3276630), (27, 2912560), (28, 2808540), (30, 2621304), (35, 2246832), (36, 2184420), (40, 1965978), (42, 1872360), (45, 1747536), (48, 1638315), (49, 1604880), (54, 1456280), (56, 1404270), (60, 1310652), (63, 1248240), (70, 1123416), (72, 1092210), (80, 982989), (84, 936180), (90, 873768), (98, 802440), (105, 748944), (108, 728140), (112, 702135), (120, 655326), (126, 624120), (135, 582512), (140, 561708), (144, 546105), (147, 534960), (168, 468090), (180, 436884), (189, 416080), (196, 401220), (210, 374472), (216, 364070), (240, 327663), (245, 320976), (252, 312060), (270, 291256), (280, 280854), (294, 267480), (315, 249648), (336, 234045), (360, 218442), (378, 208040), (392, 200610), (420, 187236), (432, 182035), (441, 178320), (490, 160488), (504, 156030), (540, 145628), (560, 140427), (588, 133740), (630, 124824), (720, 109221), (735, 106992), (743, 105840), (756, 104020), (784, 100305), (840, 93618), (882, 89160), (945, 83216), (980, 80244), (1008, 78015), (1080, 72814), (1176, 66870), (1260, 62412), (1323, 59440), (1470, 53496), (1486, 52920), (1512, 52010), (1680, 46809), (1764, 44580), (1890, 41608), (1960, 40122), (2160, 36407), (2205, 35664), (2229, 35280), (2352, 33435), (2520, 31206), (2646, 29720), (2940, 26748), (2972, 26460), (3024, 26005), (3528, 22290), (3715, 21168), (3780, 20804), (3920, 20061), (4410, 17832), (4458, 17640), (5040, 15603), (5201, 15120), (5292, 14860), (5880, 13374), (5944, 13230), (6615, 11888), (6687, 11760), (7056, 11145), (7430, 10584), (7560, 10402), (8820, 8916)]