81170670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 232657920

約数和(自身を除く): 151487250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 89, 101, 105, 129, 178, 202, 210, 215, 258, 267, 301, 303, 430, 445, 505, 534, 602, 606, 623, 645, 707, 890, 903, 1010, 1246, 1290, 1335, 1414, 1505, 1515, 1806, 1869, 2121, 2670, 3010, 3030, 3115, 3535, 3738, 3827, 4242, 4343, 4515, 6230, 7070, 7654, 8686, 8989, 9030, 9345, 10605, 11481, 13029, 17978, 18690, 19135, 21210, 21715, 22962, 26058, 26789, 26967, 30401, 38270, 43430, 44945, 53578, 53934, 57405, 60802, 62923, 65145, 80367, 89890, 91203, 114810, 125846, 130290, 133945, 134835, 152005, 160734, 182406, 188769, 267890, 269670, 304010, 314615, 377538, 386527, 401835, 456015, 629230, 773054, 803670, 912030, 943845, 1159581, 1887690, 1932635, 2319162, 2705689, 3865270, 5411378, 5797905, 8117067, 11595810, 13528445, 16234134, 27056890, 40585335, 81170670]

約数ペア:

[(1, 81170670), (2, 40585335), (3, 27056890), (5, 16234134), (6, 13528445), (7, 11595810), (10, 8117067), (14, 5797905), (15, 5411378), (21, 3865270), (30, 2705689), (35, 2319162), (42, 1932635), (43, 1887690), (70, 1159581), (86, 943845), (89, 912030), (101, 803670), (105, 773054), (129, 629230), (178, 456015), (202, 401835), (210, 386527), (215, 377538), (258, 314615), (267, 304010), (301, 269670), (303, 267890), (430, 188769), (445, 182406), (505, 160734), (534, 152005), (602, 134835), (606, 133945), (623, 130290), (645, 125846), (707, 114810), (890, 91203), (903, 89890), (1010, 80367), (1246, 65145), (1290, 62923), (1335, 60802), (1414, 57405), (1505, 53934), (1515, 53578), (1806, 44945), (1869, 43430), (2121, 38270), (2670, 30401), (3010, 26967), (3030, 26789), (3115, 26058), (3535, 22962), (3738, 21715), (3827, 21210), (4242, 19135), (4343, 18690), (4515, 17978), (6230, 13029), (7070, 11481), (7654, 10605), (8686, 9345), (8989, 9030)]