28039570440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{68543}}^1$

素因数の和:69051

約数の個数: 128

約数和(自身を含む): 96334479360

約数和(自身を除く): 68294908920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 487, 840, 974, 1461, 1948, 2435, 2922, 3409, 3896, 4870, 5844, 6818, 7305, 9740, 10227, 11688, 13636, 14610, 17045, 19480, 20454, 27272, 29220, 34090, 40908, 51135, 58440, 68180, 68543, 81816, 102270, 136360, 137086, 204540, 205629, 274172, 342715, 409080, 411258, 479801, 548344, 685430, 822516, 959602, 1028145, 1370860, 1439403, 1645032, 1919204, 2056290, 2399005, 2741720, 2878806, 3838408, 4112580, 4798010, 5757612, 7197015, 8225160, 9596020, 11515224, 14394030, 19192040, 28788060, 33380441, 57576120, 66760882, 100141323, 133521764, 166902205, 200282646, 233663087, 267043528, 333804410, 400565292, 467326174, 500706615, 667608820, 700989261, 801130584, 934652348, 1001413230, 1168315435, 1335217640, 1401978522, 1869304696, 2002826460, 2336630870, 2803957044, 3504946305, 4005652920, 4673261740, 5607914088, 7009892610, 9346523480, 14019785220, 28039570440]

約数ペア:

[(1, 28039570440), (2, 14019785220), (3, 9346523480), (4, 7009892610), (5, 5607914088), (6, 4673261740), (7, 4005652920), (8, 3504946305), (10, 2803957044), (12, 2336630870), (14, 2002826460), (15, 1869304696), (20, 1401978522), (21, 1335217640), (24, 1168315435), (28, 1001413230), (30, 934652348), (35, 801130584), (40, 700989261), (42, 667608820), (56, 500706615), (60, 467326174), (70, 400565292), (84, 333804410), (105, 267043528), (120, 233663087), (140, 200282646), (168, 166902205), (210, 133521764), (280, 100141323), (420, 66760882), (487, 57576120), (840, 33380441), (974, 28788060), (1461, 19192040), (1948, 14394030), (2435, 11515224), (2922, 9596020), (3409, 8225160), (3896, 7197015), (4870, 5757612), (5844, 4798010), (6818, 4112580), (7305, 3838408), (9740, 2878806), (10227, 2741720), (11688, 2399005), (13636, 2056290), (14610, 1919204), (17045, 1645032), (19480, 1439403), (20454, 1370860), (27272, 1028145), (29220, 959602), (34090, 822516), (40908, 685430), (51135, 548344), (58440, 479801), (68180, 411258), (68543, 409080), (81816, 342715), (102270, 274172), (136360, 205629), (137086, 204540)]