253000620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5881}}^1$

素因数の和:6135

約数の個数: 72

約数和(自身を含む): 770777280

約数和(自身を除く): 517776660

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, 5881, 7170, 8604, 10755, 11762, 14340, 17643, 21510, 23524, 29405, 35286, 43020, 52929, 58810, 70572, 88215, 105858, 117620, 176430, 211716, 264645, 352860, 529290, 1058580, 1405559, 2811118, 4216677, 5622236, 7027795, 8433354, 12650031, 14055590, 16866708, 21083385, 25300062, 28111180, 42166770, 50600124, 63250155, 84333540, 126500310, 253000620]

約数ペア:

[(1, 253000620), (2, 126500310), (3, 84333540), (4, 63250155), (5, 50600124), (6, 42166770), (9, 28111180), (10, 25300062), (12, 21083385), (15, 16866708), (18, 14055590), (20, 12650031), (30, 8433354), (36, 7027795), (45, 5622236), (60, 4216677), (90, 2811118), (180, 1405559), (239, 1058580), (478, 529290), (717, 352860), (956, 264645), (1195, 211716), (1434, 176430), (2151, 117620), (2390, 105858), (2868, 88215), (3585, 70572), (4302, 58810), (4780, 52929), (5881, 43020), (7170, 35286), (8604, 29405), (10755, 23524), (11762, 21510), (14340, 17643)]