748548780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:408

約数の個数: 192

約数和(自身を含む): 2458874880

約数和(自身を除く): 1710326100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 109, 140, 166, 197, 210, 218, 249, 327, 332, 394, 415, 420, 436, 498, 545, 581, 591, 654, 763, 788, 830, 985, 996, 1090, 1162, 1182, 1245, 1308, 1379, 1526, 1635, 1660, 1743, 1970, 2180, 2289, 2324, 2364, 2490, 2758, 2905, 2955, 3052, 3270, 3486, 3815, 3940, 4137, 4578, 4980, 5516, 5810, 5910, 6540, 6895, 6972, 7630, 8274, 8715, 9047, 9156, 11445, 11620, 11820, 13790, 15260, 16351, 16548, 17430, 18094, 20685, 21473, 22890, 27141, 27580, 32702, 34860, 36188, 41370, 42946, 45235, 45780, 49053, 54282, 63329, 64419, 65404, 81755, 82740, 85892, 90470, 98106, 107365, 108564, 114457, 126658, 128838, 135705, 150311, 163510, 180940, 189987, 196212, 214730, 228914, 245265, 253316, 257676, 271410, 300622, 316645, 322095, 327020, 343371, 379974, 429460, 450933, 457828, 490530, 542820, 572285, 601244, 633290, 644190, 686742, 751555, 759948, 901866, 949935, 981060, 1144570, 1266580, 1288380, 1373484, 1503110, 1716855, 1782259, 1803732, 1899870, 2254665, 2289140, 3006220, 3433710, 3564518, 3799740, 4509330, 5346777, 6867420, 7129036, 8911295, 9018660, 10693554, 12475813, 17822590, 21387108, 24951626, 26733885, 35645180, 37427439, 49903252, 53467770, 62379065, 74854878, 106935540, 124758130, 149709756, 187137195, 249516260, 374274390, 748548780]

約数ペア:

[(1, 748548780), (2, 374274390), (3, 249516260), (4, 187137195), (5, 149709756), (6, 124758130), (7, 106935540), (10, 74854878), (12, 62379065), (14, 53467770), (15, 49903252), (20, 37427439), (21, 35645180), (28, 26733885), (30, 24951626), (35, 21387108), (42, 17822590), (60, 12475813), (70, 10693554), (83, 9018660), (84, 8911295), (105, 7129036), (109, 6867420), (140, 5346777), (166, 4509330), (197, 3799740), (210, 3564518), (218, 3433710), (249, 3006220), (327, 2289140), (332, 2254665), (394, 1899870), (415, 1803732), (420, 1782259), (436, 1716855), (498, 1503110), (545, 1373484), (581, 1288380), (591, 1266580), (654, 1144570), (763, 981060), (788, 949935), (830, 901866), (985, 759948), (996, 751555), (1090, 686742), (1162, 644190), (1182, 633290), (1245, 601244), (1308, 572285), (1379, 542820), (1526, 490530), (1635, 457828), (1660, 450933), (1743, 429460), (1970, 379974), (2180, 343371), (2289, 327020), (2324, 322095), (2364, 316645), (2490, 300622), (2758, 271410), (2905, 257676), (2955, 253316), (3052, 245265), (3270, 228914), (3486, 214730), (3815, 196212), (3940, 189987), (4137, 180940), (4578, 163510), (4980, 150311), (5516, 135705), (5810, 128838), (5910, 126658), (6540, 114457), (6895, 108564), (6972, 107365), (7630, 98106), (8274, 90470), (8715, 85892), (9047, 82740), (9156, 81755), (11445, 65404), (11620, 64419), (11820, 63329), (13790, 54282), (15260, 49053), (16351, 45780), (16548, 45235), (17430, 42946), (18094, 41370), (20685, 36188), (21473, 34860), (22890, 32702), (27141, 27580)]