161945420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{881}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 423190656

約数和(自身を除く): 261245236

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 101, 130, 140, 182, 202, 260, 364, 404, 455, 505, 707, 881, 910, 1010, 1313, 1414, 1762, 1820, 2020, 2626, 2828, 3524, 3535, 4405, 5252, 6167, 6565, 7070, 8810, 9191, 11453, 12334, 13130, 14140, 17620, 18382, 22906, 24668, 26260, 30835, 36764, 45812, 45955, 57265, 61670, 80171, 88981, 91910, 114530, 123340, 160342, 177962, 183820, 229060, 320684, 355924, 400855, 444905, 622867, 801710, 889810, 1156753, 1245734, 1603420, 1779620, 2313506, 2491468, 3114335, 4627012, 5783765, 6228670, 8097271, 11567530, 12457340, 16194542, 23135060, 32389084, 40486355, 80972710, 161945420]

約数ペア:

[(1, 161945420), (2, 80972710), (4, 40486355), (5, 32389084), (7, 23135060), (10, 16194542), (13, 12457340), (14, 11567530), (20, 8097271), (26, 6228670), (28, 5783765), (35, 4627012), (52, 3114335), (65, 2491468), (70, 2313506), (91, 1779620), (101, 1603420), (130, 1245734), (140, 1156753), (182, 889810), (202, 801710), (260, 622867), (364, 444905), (404, 400855), (455, 355924), (505, 320684), (707, 229060), (881, 183820), (910, 177962), (1010, 160342), (1313, 123340), (1414, 114530), (1762, 91910), (1820, 88981), (2020, 80171), (2626, 61670), (2828, 57265), (3524, 45955), (3535, 45812), (4405, 36764), (5252, 30835), (6167, 26260), (6565, 24668), (7070, 22906), (8810, 18382), (9191, 17620), (11453, 14140), (12334, 13130)]