15709218420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37402901}}^1$

素因数の和:37402920

約数の個数: 48

約数和(自身を含む): 50269500288

約数和(自身を除く): 34560281868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 37402901, 74805802, 112208703, 149611604, 187014505, 224417406, 261820307, 374029010, 448834812, 523640614, 561043515, 748058020, 785460921, 1047281228, 1122087030, 1309101535, 1570921842, 2244174060, 2618203070, 3141843684, 3927304605, 5236406140, 7854609210, 15709218420]

約数ペア:

[(1, 15709218420), (2, 7854609210), (3, 5236406140), (4, 3927304605), (5, 3141843684), (6, 2618203070), (7, 2244174060), (10, 1570921842), (12, 1309101535), (14, 1122087030), (15, 1047281228), (20, 785460921), (21, 748058020), (28, 561043515), (30, 523640614), (35, 448834812), (42, 374029010), (60, 261820307), (70, 224417406), (84, 187014505), (105, 149611604), (140, 112208703), (210, 74805802), (420, 37402901)]