39378780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31253}}^1$

素因数の和:31275

約数の個数: 72

約数和(自身を含む): 136517472

約数和(自身を除く): 97138692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 31253, 62506, 93759, 125012, 156265, 187518, 218771, 281277, 312530, 375036, 437542, 468795, 562554, 625060, 656313, 875084, 937590, 1093855, 1125108, 1312626, 1406385, 1875180, 1968939, 2187710, 2625252, 2812770, 3281565, 3937878, 4375420, 5625540, 6563130, 7875756, 9844695, 13126260, 19689390, 39378780]

約数ペア:

[(1, 39378780), (2, 19689390), (3, 13126260), (4, 9844695), (5, 7875756), (6, 6563130), (7, 5625540), (9, 4375420), (10, 3937878), (12, 3281565), (14, 2812770), (15, 2625252), (18, 2187710), (20, 1968939), (21, 1875180), (28, 1406385), (30, 1312626), (35, 1125108), (36, 1093855), (42, 937590), (45, 875084), (60, 656313), (63, 625060), (70, 562554), (84, 468795), (90, 437542), (105, 375036), (126, 312530), (140, 281277), (180, 218771), (210, 187518), (252, 156265), (315, 125012), (420, 93759), (630, 62506), (1260, 31253)]