28209240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 92551680

約数和(自身を除く): 64342440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 127, 180, 254, 360, 381, 508, 617, 635, 762, 1016, 1143, 1234, 1270, 1524, 1851, 1905, 2286, 2468, 2540, 3048, 3085, 3702, 3810, 4572, 4936, 5080, 5553, 5715, 6170, 7404, 7620, 9144, 9255, 11106, 11430, 12340, 14808, 15240, 18510, 22212, 22860, 24680, 27765, 37020, 44424, 45720, 55530, 74040, 78359, 111060, 156718, 222120, 235077, 313436, 391795, 470154, 626872, 705231, 783590, 940308, 1175385, 1410462, 1567180, 1880616, 2350770, 2820924, 3134360, 3526155, 4701540, 5641848, 7052310, 9403080, 14104620, 28209240]

約数ペア:

[(1, 28209240), (2, 14104620), (3, 9403080), (4, 7052310), (5, 5641848), (6, 4701540), (8, 3526155), (9, 3134360), (10, 2820924), (12, 2350770), (15, 1880616), (18, 1567180), (20, 1410462), (24, 1175385), (30, 940308), (36, 783590), (40, 705231), (45, 626872), (60, 470154), (72, 391795), (90, 313436), (120, 235077), (127, 222120), (180, 156718), (254, 111060), (360, 78359), (381, 74040), (508, 55530), (617, 45720), (635, 44424), (762, 37020), (1016, 27765), (1143, 24680), (1234, 22860), (1270, 22212), (1524, 18510), (1851, 15240), (1905, 14808), (2286, 12340), (2468, 11430), (2540, 11106), (3048, 9255), (3085, 9144), (3702, 7620), (3810, 7404), (4572, 6170), (4936, 5715), (5080, 5553)]