1980813510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4271

約数の個数: 144

約数和(自身を含む): 5758017408

約数和(自身を除く): 3777203898

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 169, 186, 195, 234, 279, 310, 338, 390, 403, 465, 507, 558, 585, 806, 845, 930, 1014, 1170, 1209, 1395, 1521, 1690, 2015, 2418, 2535, 2790, 3042, 3627, 4030, 4201, 5070, 5239, 6045, 7254, 7605, 8402, 10478, 12090, 12603, 15210, 15717, 18135, 21005, 25206, 26195, 31434, 36270, 37809, 42010, 47151, 52390, 54613, 63015, 75618, 78585, 94302, 109226, 126030, 130231, 157170, 163839, 189045, 235755, 260462, 273065, 327678, 378090, 390693, 471510, 491517, 546130, 651155, 709969, 781386, 819195, 983034, 1172079, 1302310, 1419938, 1638390, 1693003, 1953465, 2129907, 2344158, 2457585, 3386006, 3549845, 3906930, 4259814, 4915170, 5079009, 5860395, 6389721, 7099690, 8465015, 10158018, 10649535, 11720790, 12779442, 15237027, 16930030, 21299070, 22009039, 25395045, 30474054, 31948605, 44018078, 50790090, 63897210, 66027117, 76185135, 110045195, 132054234, 152370270, 198081351, 220090390, 330135585, 396162702, 660271170, 990406755, 1980813510]

約数ペア:

[(1, 1980813510), (2, 990406755), (3, 660271170), (5, 396162702), (6, 330135585), (9, 220090390), (10, 198081351), (13, 152370270), (15, 132054234), (18, 110045195), (26, 76185135), (30, 66027117), (31, 63897210), (39, 50790090), (45, 44018078), (62, 31948605), (65, 30474054), (78, 25395045), (90, 22009039), (93, 21299070), (117, 16930030), (130, 15237027), (155, 12779442), (169, 11720790), (186, 10649535), (195, 10158018), (234, 8465015), (279, 7099690), (310, 6389721), (338, 5860395), (390, 5079009), (403, 4915170), (465, 4259814), (507, 3906930), (558, 3549845), (585, 3386006), (806, 2457585), (845, 2344158), (930, 2129907), (1014, 1953465), (1170, 1693003), (1209, 1638390), (1395, 1419938), (1521, 1302310), (1690, 1172079), (2015, 983034), (2418, 819195), (2535, 781386), (2790, 709969), (3042, 651155), (3627, 546130), (4030, 491517), (4201, 471510), (5070, 390693), (5239, 378090), (6045, 327678), (7254, 273065), (7605, 260462), (8402, 235755), (10478, 189045), (12090, 163839), (12603, 157170), (15210, 130231), (15717, 126030), (18135, 109226), (21005, 94302), (25206, 78585), (26195, 75618), (31434, 63015), (36270, 54613), (37809, 52390), (42010, 47151)]