20151550160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1240859}}^1$

素因数の和:1240908

約数の個数: 80

約数和(自身を含む): 55391990400

約数和(自身を除く): 35240440240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 1240859, 2481718, 4963436, 6204295, 8686013, 9926872, 12408590, 17372026, 19853744, 24817180, 34744052, 35984911, 43430065, 49634360, 69488104, 71969822, 86860130, 99268720, 138976208, 143939644, 173720260, 179924555, 251894377, 287879288, 347440520, 359849110, 503788754, 575758576, 694881040, 719698220, 1007577508, 1259471885, 1439396440, 2015155016, 2518943770, 2878792880, 4030310032, 5037887540, 10075775080, 20151550160]

約数ペア:

[(1, 20151550160), (2, 10075775080), (4, 5037887540), (5, 4030310032), (7, 2878792880), (8, 2518943770), (10, 2015155016), (14, 1439396440), (16, 1259471885), (20, 1007577508), (28, 719698220), (29, 694881040), (35, 575758576), (40, 503788754), (56, 359849110), (58, 347440520), (70, 287879288), (80, 251894377), (112, 179924555), (116, 173720260), (140, 143939644), (145, 138976208), (203, 99268720), (232, 86860130), (280, 71969822), (290, 69488104), (406, 49634360), (464, 43430065), (560, 35984911), (580, 34744052), (812, 24817180), (1015, 19853744), (1160, 17372026), (1624, 12408590), (2030, 9926872), (2320, 8686013), (3248, 6204295), (4060, 4963436), (8120, 2481718), (16240, 1240859)]