15519280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 43510608

約数和(自身を除く): 27991328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 107, 112, 140, 148, 185, 196, 214, 245, 259, 280, 296, 370, 392, 428, 490, 518, 535, 560, 592, 740, 749, 784, 856, 980, 1036, 1070, 1295, 1480, 1498, 1712, 1813, 1960, 2072, 2140, 2590, 2960, 2996, 3626, 3745, 3920, 3959, 4144, 4280, 5180, 5243, 5992, 7252, 7490, 7918, 8560, 9065, 10360, 10486, 11984, 14504, 14980, 15836, 18130, 19795, 20720, 20972, 26215, 27713, 29008, 29960, 31672, 36260, 39590, 41944, 52430, 55426, 59920, 63344, 72520, 79180, 83888, 104860, 110852, 138565, 145040, 158360, 193991, 209720, 221704, 277130, 316720, 387982, 419440, 443408, 554260, 775964, 969955, 1108520, 1551928, 1939910, 2217040, 3103856, 3879820, 7759640, 15519280]

約数ペア:

[(1, 15519280), (2, 7759640), (4, 3879820), (5, 3103856), (7, 2217040), (8, 1939910), (10, 1551928), (14, 1108520), (16, 969955), (20, 775964), (28, 554260), (35, 443408), (37, 419440), (40, 387982), (49, 316720), (56, 277130), (70, 221704), (74, 209720), (80, 193991), (98, 158360), (107, 145040), (112, 138565), (140, 110852), (148, 104860), (185, 83888), (196, 79180), (214, 72520), (245, 63344), (259, 59920), (280, 55426), (296, 52430), (370, 41944), (392, 39590), (428, 36260), (490, 31672), (518, 29960), (535, 29008), (560, 27713), (592, 26215), (740, 20972), (749, 20720), (784, 19795), (856, 18130), (980, 15836), (1036, 14980), (1070, 14504), (1295, 11984), (1480, 10486), (1498, 10360), (1712, 9065), (1813, 8560), (1960, 7918), (2072, 7490), (2140, 7252), (2590, 5992), (2960, 5243), (2996, 5180), (3626, 4280), (3745, 4144), (3920, 3959)]