660177720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:402

約数の個数: 192

約数和(自身を含む): 2201472000

約数和(自身を除く): 1541294280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 139, 158, 167, 180, 237, 278, 316, 334, 360, 395, 417, 474, 501, 556, 632, 668, 695, 711, 790, 834, 835, 948, 1002, 1112, 1185, 1251, 1336, 1390, 1422, 1503, 1580, 1668, 1670, 1896, 2004, 2085, 2370, 2502, 2505, 2780, 2844, 3006, 3160, 3336, 3340, 3555, 4008, 4170, 4740, 5004, 5010, 5560, 5688, 6012, 6255, 6680, 7110, 7515, 8340, 9480, 10008, 10020, 10981, 12024, 12510, 13193, 14220, 15030, 16680, 20040, 21962, 23213, 25020, 26386, 28440, 30060, 32943, 39579, 43924, 46426, 50040, 52772, 54905, 60120, 65886, 65965, 69639, 79158, 87848, 92852, 98829, 105544, 109810, 116065, 118737, 131772, 131930, 139278, 158316, 164715, 185704, 197658, 197895, 208917, 219620, 232130, 237474, 263544, 263860, 278556, 316632, 329430, 348195, 395316, 395790, 417834, 439240, 464260, 474948, 494145, 527720, 557112, 593685, 658860, 696390, 790632, 791580, 835668, 928520, 949896, 988290, 1044585, 1187370, 1317720, 1392780, 1583160, 1671336, 1833827, 1976580, 2089170, 2374740, 2785560, 3667654, 3953160, 4178340, 4749480, 5501481, 7335308, 8356680, 9169135, 11002962, 14670616, 16504443, 18338270, 22005924, 27507405, 33008886, 36676540, 44011848, 55014810, 66017772, 73353080, 82522215, 110029620, 132035544, 165044430, 220059240, 330088860, 660177720]

約数ペア:

[(1, 660177720), (2, 330088860), (3, 220059240), (4, 165044430), (5, 132035544), (6, 110029620), (8, 82522215), (9, 73353080), (10, 66017772), (12, 55014810), (15, 44011848), (18, 36676540), (20, 33008886), (24, 27507405), (30, 22005924), (36, 18338270), (40, 16504443), (45, 14670616), (60, 11002962), (72, 9169135), (79, 8356680), (90, 7335308), (120, 5501481), (139, 4749480), (158, 4178340), (167, 3953160), (180, 3667654), (237, 2785560), (278, 2374740), (316, 2089170), (334, 1976580), (360, 1833827), (395, 1671336), (417, 1583160), (474, 1392780), (501, 1317720), (556, 1187370), (632, 1044585), (668, 988290), (695, 949896), (711, 928520), (790, 835668), (834, 791580), (835, 790632), (948, 696390), (1002, 658860), (1112, 593685), (1185, 557112), (1251, 527720), (1336, 494145), (1390, 474948), (1422, 464260), (1503, 439240), (1580, 417834), (1668, 395790), (1670, 395316), (1896, 348195), (2004, 329430), (2085, 316632), (2370, 278556), (2502, 263860), (2505, 263544), (2780, 237474), (2844, 232130), (3006, 219620), (3160, 208917), (3336, 197895), (3340, 197658), (3555, 185704), (4008, 164715), (4170, 158316), (4740, 139278), (5004, 131930), (5010, 131772), (5560, 118737), (5688, 116065), (6012, 109810), (6255, 105544), (6680, 98829), (7110, 92852), (7515, 87848), (8340, 79158), (9480, 69639), (10008, 65965), (10020, 65886), (10981, 60120), (12024, 54905), (12510, 52772), (13193, 50040), (14220, 46426), (15030, 43924), (16680, 39579), (20040, 32943), (21962, 30060), (23213, 28440), (25020, 26386)]