216293840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2449

約数の個数: 120

約数和(自身を含む): 610675200

約数和(自身を除く): 394381360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2399, 2576, 3220, 3920, 4508, 4798, 5635, 6440, 9016, 9596, 11270, 11995, 12880, 16793, 18032, 19192, 22540, 23990, 33586, 38384, 45080, 47980, 55177, 67172, 83965, 90160, 95960, 110354, 117551, 134344, 167930, 191920, 220708, 235102, 268688, 275885, 335860, 386239, 441416, 470204, 551770, 587755, 671720, 772478, 882832, 940408, 1103540, 1175510, 1343440, 1544956, 1880816, 1931195, 2207080, 2351020, 2703673, 3089912, 3862390, 4414160, 4702040, 5407346, 6179824, 7724780, 9404080, 10814692, 13518365, 15449560, 21629384, 27036730, 30899120, 43258768, 54073460, 108146920, 216293840]

約数ペア:

[(1, 216293840), (2, 108146920), (4, 54073460), (5, 43258768), (7, 30899120), (8, 27036730), (10, 21629384), (14, 15449560), (16, 13518365), (20, 10814692), (23, 9404080), (28, 7724780), (35, 6179824), (40, 5407346), (46, 4702040), (49, 4414160), (56, 3862390), (70, 3089912), (80, 2703673), (92, 2351020), (98, 2207080), (112, 1931195), (115, 1880816), (140, 1544956), (161, 1343440), (184, 1175510), (196, 1103540), (230, 940408), (245, 882832), (280, 772478), (322, 671720), (368, 587755), (392, 551770), (460, 470204), (490, 441416), (560, 386239), (644, 335860), (784, 275885), (805, 268688), (920, 235102), (980, 220708), (1127, 191920), (1288, 167930), (1610, 134344), (1840, 117551), (1960, 110354), (2254, 95960), (2399, 90160), (2576, 83965), (3220, 67172), (3920, 55177), (4508, 47980), (4798, 45080), (5635, 38384), (6440, 33586), (9016, 23990), (9596, 22540), (11270, 19192), (11995, 18032), (12880, 16793)]