204821354640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{121917473}}^1$

素因数の和:121917496

約数の個数: 80

約数和(自身を含む): 725652805248

約数和(自身を除く): 520831450608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 121917473, 243834946, 365752419, 487669892, 609587365, 731504838, 853422311, 975339784, 1219174730, 1463009676, 1706844622, 1828762095, 1950679568, 2438349460, 2560266933, 2926019352, 3413689244, 3657524190, 4267111555, 4876698920, 5120533866, 5852038704, 6827378488, 7315048380, 8534223110, 9753397840, 10241067732, 12801334665, 13654756976, 14630096760, 17068446220, 20482135464, 25602669330, 29260193520, 34136892440, 40964270928, 51205338660, 68273784880, 102410677320, 204821354640]

約数ペア:

[(1, 204821354640), (2, 102410677320), (3, 68273784880), (4, 51205338660), (5, 40964270928), (6, 34136892440), (7, 29260193520), (8, 25602669330), (10, 20482135464), (12, 17068446220), (14, 14630096760), (15, 13654756976), (16, 12801334665), (20, 10241067732), (21, 9753397840), (24, 8534223110), (28, 7315048380), (30, 6827378488), (35, 5852038704), (40, 5120533866), (42, 4876698920), (48, 4267111555), (56, 3657524190), (60, 3413689244), (70, 2926019352), (80, 2560266933), (84, 2438349460), (105, 1950679568), (112, 1828762095), (120, 1706844622), (140, 1463009676), (168, 1219174730), (210, 975339784), (240, 853422311), (280, 731504838), (336, 609587365), (420, 487669892), (560, 365752419), (840, 243834946), (1680, 121917473)]