121162880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 300819420

約数和(自身を除く): 179656540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 197, 248, 310, 320, 394, 496, 620, 640, 788, 961, 985, 992, 1240, 1576, 1922, 1970, 1984, 2480, 3152, 3844, 3940, 3968, 4805, 4960, 6107, 6304, 7688, 7880, 9610, 9920, 12214, 12608, 15376, 15760, 19220, 19840, 24428, 25216, 30535, 30752, 31520, 38440, 48856, 61070, 61504, 63040, 76880, 97712, 122140, 123008, 126080, 153760, 189317, 195424, 244280, 307520, 378634, 390848, 488560, 615040, 757268, 781696, 946585, 977120, 1514536, 1893170, 1954240, 3029072, 3786340, 3908480, 6058144, 7572680, 12116288, 15145360, 24232576, 30290720, 60581440, 121162880]

約数ペア:

[(1, 121162880), (2, 60581440), (4, 30290720), (5, 24232576), (8, 15145360), (10, 12116288), (16, 7572680), (20, 6058144), (31, 3908480), (32, 3786340), (40, 3029072), (62, 1954240), (64, 1893170), (80, 1514536), (124, 977120), (128, 946585), (155, 781696), (160, 757268), (197, 615040), (248, 488560), (310, 390848), (320, 378634), (394, 307520), (496, 244280), (620, 195424), (640, 189317), (788, 153760), (961, 126080), (985, 123008), (992, 122140), (1240, 97712), (1576, 76880), (1922, 63040), (1970, 61504), (1984, 61070), (2480, 48856), (3152, 38440), (3844, 31520), (3940, 30752), (3968, 30535), (4805, 25216), (4960, 24428), (6107, 19840), (6304, 19220), (7688, 15760), (7880, 15376), (9610, 12608), (9920, 12214)]