30240840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 192

約数和(自身を含む): 109166400

約数和(自身を除く): 78925560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 139, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 278, 280, 294, 296, 370, 392, 417, 420, 444, 490, 518, 555, 556, 588, 695, 735, 740, 777, 834, 840, 888, 973, 980, 1036, 1110, 1112, 1176, 1295, 1390, 1470, 1480, 1554, 1668, 1813, 1946, 1960, 2072, 2085, 2220, 2590, 2780, 2919, 2940, 3108, 3336, 3626, 3885, 3892, 4170, 4440, 4865, 5143, 5180, 5439, 5560, 5838, 5880, 6216, 6811, 7252, 7770, 7784, 8340, 9065, 9730, 10286, 10360, 10878, 11676, 13622, 14504, 14595, 15429, 15540, 16680, 18130, 19460, 20433, 20572, 21756, 23352, 25715, 27195, 27244, 29190, 30858, 31080, 34055, 36001, 36260, 38920, 40866, 41144, 43512, 51430, 54390, 54488, 58380, 61716, 68110, 72002, 72520, 77145, 81732, 102165, 102860, 108003, 108780, 116760, 123432, 136220, 144004, 154290, 163464, 180005, 204330, 205720, 216006, 217560, 252007, 272440, 288008, 308580, 360010, 408660, 432012, 504014, 540015, 617160, 720020, 756021, 817320, 864024, 1008028, 1080030, 1260035, 1440040, 1512042, 2016056, 2160060, 2520070, 3024084, 3780105, 4320120, 5040140, 6048168, 7560210, 10080280, 15120420, 30240840]

約数ペア:

[(1, 30240840), (2, 15120420), (3, 10080280), (4, 7560210), (5, 6048168), (6, 5040140), (7, 4320120), (8, 3780105), (10, 3024084), (12, 2520070), (14, 2160060), (15, 2016056), (20, 1512042), (21, 1440040), (24, 1260035), (28, 1080030), (30, 1008028), (35, 864024), (37, 817320), (40, 756021), (42, 720020), (49, 617160), (56, 540015), (60, 504014), (70, 432012), (74, 408660), (84, 360010), (98, 308580), (105, 288008), (111, 272440), (120, 252007), (139, 217560), (140, 216006), (147, 205720), (148, 204330), (168, 180005), (185, 163464), (196, 154290), (210, 144004), (222, 136220), (245, 123432), (259, 116760), (278, 108780), (280, 108003), (294, 102860), (296, 102165), (370, 81732), (392, 77145), (417, 72520), (420, 72002), (444, 68110), (490, 61716), (518, 58380), (555, 54488), (556, 54390), (588, 51430), (695, 43512), (735, 41144), (740, 40866), (777, 38920), (834, 36260), (840, 36001), (888, 34055), (973, 31080), (980, 30858), (1036, 29190), (1110, 27244), (1112, 27195), (1176, 25715), (1295, 23352), (1390, 21756), (1470, 20572), (1480, 20433), (1554, 19460), (1668, 18130), (1813, 16680), (1946, 15540), (1960, 15429), (2072, 14595), (2085, 14504), (2220, 13622), (2590, 11676), (2780, 10878), (2919, 10360), (2940, 10286), (3108, 9730), (3336, 9065), (3626, 8340), (3885, 7784), (3892, 7770), (4170, 7252), (4440, 6811), (4865, 6216), (5143, 5880), (5180, 5838), (5439, 5560)]