64777680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8179}}^1$

素因数の和:8209

約数の個数: 120

約数和(自身を含む): 237350880

約数和(自身を除く): 172573200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 8179, 16358, 24537, 32716, 40895, 49074, 65432, 73611, 81790, 89969, 98148, 122685, 130864, 147222, 163580, 179938, 196296, 245370, 269907, 294444, 327160, 359876, 368055, 392592, 449845, 490740, 539814, 588888, 654320, 719752, 736110, 809721, 899690, 981480, 1079628, 1177776, 1349535, 1439504, 1472220, 1619442, 1799380, 1962960, 2159256, 2699070, 2944440, 3238884, 3598760, 4048605, 4318512, 5398140, 5888880, 6477768, 7197520, 8097210, 10796280, 12955536, 16194420, 21592560, 32388840, 64777680]

約数ペア:

[(1, 64777680), (2, 32388840), (3, 21592560), (4, 16194420), (5, 12955536), (6, 10796280), (8, 8097210), (9, 7197520), (10, 6477768), (11, 5888880), (12, 5398140), (15, 4318512), (16, 4048605), (18, 3598760), (20, 3238884), (22, 2944440), (24, 2699070), (30, 2159256), (33, 1962960), (36, 1799380), (40, 1619442), (44, 1472220), (45, 1439504), (48, 1349535), (55, 1177776), (60, 1079628), (66, 981480), (72, 899690), (80, 809721), (88, 736110), (90, 719752), (99, 654320), (110, 588888), (120, 539814), (132, 490740), (144, 449845), (165, 392592), (176, 368055), (180, 359876), (198, 327160), (220, 294444), (240, 269907), (264, 245370), (330, 196296), (360, 179938), (396, 163580), (440, 147222), (495, 130864), (528, 122685), (660, 98148), (720, 89969), (792, 81790), (880, 73611), (990, 65432), (1320, 49074), (1584, 40895), (1980, 32716), (2640, 24537), (3960, 16358), (7920, 8179)]