281910060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6553}}^1$

素因数の和:6807

約数の個数: 72

約数和(自身を含む): 858836160

約数和(自身を除く): 576926100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 6553, 7170, 8604, 10755, 13106, 14340, 19659, 21510, 26212, 32765, 39318, 43020, 58977, 65530, 78636, 98295, 117954, 131060, 196590, 235908, 294885, 393180, 589770, 1179540, 1566167, 3132334, 4698501, 6264668, 7830835, 9397002, 14095503, 15661670, 18794004, 23492505, 28191006, 31323340, 46985010, 56382012, 70477515, 93970020, 140955030, 281910060]

約数ペア:

[(1, 281910060), (2, 140955030), (3, 93970020), (4, 70477515), (5, 56382012), (6, 46985010), (9, 31323340), (10, 28191006), (12, 23492505), (15, 18794004), (18, 15661670), (20, 14095503), (30, 9397002), (36, 7830835), (45, 6264668), (60, 4698501), (90, 3132334), (180, 1566167), (239, 1179540), (478, 589770), (717, 393180), (956, 294885), (1195, 235908), (1434, 196590), (2151, 131060), (2390, 117954), (2868, 98295), (3585, 78636), (4302, 65530), (4780, 58977), (6553, 43020), (7170, 39318), (8604, 32765), (10755, 26212), (13106, 21510), (14340, 19659)]