261167820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:791

約数の個数: 96

約数和(自身を含む): 750145536

約数和(自身を除く): 488977716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 101, 142, 202, 213, 284, 303, 355, 404, 426, 505, 606, 607, 710, 852, 1010, 1065, 1212, 1214, 1420, 1515, 1821, 2020, 2130, 2428, 3030, 3035, 3642, 4260, 6060, 6070, 7171, 7284, 9105, 12140, 14342, 18210, 21513, 28684, 35855, 36420, 43026, 43097, 61307, 71710, 86052, 86194, 107565, 122614, 129291, 143420, 172388, 183921, 215130, 215485, 245228, 258582, 306535, 367842, 430260, 430970, 517164, 613070, 646455, 735684, 861940, 919605, 1226140, 1292910, 1839210, 2585820, 3678420, 4352797, 8705594, 13058391, 17411188, 21763985, 26116782, 43527970, 52233564, 65291955, 87055940, 130583910, 261167820]

約数ペア:

[(1, 261167820), (2, 130583910), (3, 87055940), (4, 65291955), (5, 52233564), (6, 43527970), (10, 26116782), (12, 21763985), (15, 17411188), (20, 13058391), (30, 8705594), (60, 4352797), (71, 3678420), (101, 2585820), (142, 1839210), (202, 1292910), (213, 1226140), (284, 919605), (303, 861940), (355, 735684), (404, 646455), (426, 613070), (505, 517164), (606, 430970), (607, 430260), (710, 367842), (852, 306535), (1010, 258582), (1065, 245228), (1212, 215485), (1214, 215130), (1420, 183921), (1515, 172388), (1821, 143420), (2020, 129291), (2130, 122614), (2428, 107565), (3030, 86194), (3035, 86052), (3642, 71710), (4260, 61307), (6060, 43097), (6070, 43026), (7171, 36420), (7284, 35855), (9105, 28684), (12140, 21513), (14342, 18210)]