208516680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:625

約数の個数: 160

約数和(自身を含む): 707414400

約数和(自身を除く): 498897720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 139, 162, 180, 216, 270, 278, 324, 360, 405, 417, 463, 540, 556, 648, 695, 810, 834, 926, 1080, 1112, 1251, 1389, 1390, 1620, 1668, 1852, 2085, 2315, 2502, 2778, 2780, 3240, 3336, 3704, 3753, 4167, 4170, 4630, 5004, 5556, 5560, 6255, 6945, 7506, 8334, 8340, 9260, 10008, 11112, 11259, 12501, 12510, 13890, 15012, 16668, 16680, 18520, 18765, 20835, 22518, 25002, 25020, 27780, 30024, 33336, 37503, 37530, 41670, 45036, 50004, 50040, 55560, 56295, 62505, 64357, 75006, 75060, 83340, 90072, 100008, 112590, 125010, 128714, 150012, 150120, 166680, 187515, 193071, 225180, 250020, 257428, 300024, 321785, 375030, 386142, 450360, 500040, 514856, 579213, 643570, 750060, 772284, 965355, 1158426, 1287140, 1500120, 1544568, 1737639, 1930710, 2316852, 2574280, 2896065, 3475278, 3861420, 4633704, 5212917, 5792130, 6950556, 7722840, 8688195, 10425834, 11584260, 13901112, 17376390, 20851668, 23168520, 26064585, 34752780, 41703336, 52129170, 69505560, 104258340, 208516680]

約数ペア:

[(1, 208516680), (2, 104258340), (3, 69505560), (4, 52129170), (5, 41703336), (6, 34752780), (8, 26064585), (9, 23168520), (10, 20851668), (12, 17376390), (15, 13901112), (18, 11584260), (20, 10425834), (24, 8688195), (27, 7722840), (30, 6950556), (36, 5792130), (40, 5212917), (45, 4633704), (54, 3861420), (60, 3475278), (72, 2896065), (81, 2574280), (90, 2316852), (108, 1930710), (120, 1737639), (135, 1544568), (139, 1500120), (162, 1287140), (180, 1158426), (216, 965355), (270, 772284), (278, 750060), (324, 643570), (360, 579213), (405, 514856), (417, 500040), (463, 450360), (540, 386142), (556, 375030), (648, 321785), (695, 300024), (810, 257428), (834, 250020), (926, 225180), (1080, 193071), (1112, 187515), (1251, 166680), (1389, 150120), (1390, 150012), (1620, 128714), (1668, 125010), (1852, 112590), (2085, 100008), (2315, 90072), (2502, 83340), (2778, 75060), (2780, 75006), (3240, 64357), (3336, 62505), (3704, 56295), (3753, 55560), (4167, 50040), (4170, 50004), (4630, 45036), (5004, 41670), (5556, 37530), (5560, 37503), (6255, 33336), (6945, 30024), (7506, 27780), (8334, 25020), (8340, 25002), (9260, 22518), (10008, 20835), (11112, 18765), (11259, 18520), (12501, 16680), (12510, 16668), (13890, 15012)]