175915620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 550368000

約数和(自身を除く): 374452380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 89, 90, 139, 158, 178, 180, 237, 267, 278, 316, 356, 395, 417, 445, 474, 534, 556, 695, 711, 790, 801, 834, 890, 948, 1068, 1185, 1251, 1335, 1390, 1422, 1580, 1602, 1668, 1780, 2085, 2370, 2502, 2670, 2780, 2844, 3204, 3555, 4005, 4170, 4740, 5004, 5340, 6255, 7031, 7110, 8010, 8340, 10981, 12371, 12510, 14062, 14220, 16020, 21093, 21962, 24742, 25020, 28124, 32943, 35155, 37113, 42186, 43924, 49484, 54905, 61855, 63279, 65886, 70310, 74226, 84372, 98829, 105465, 109810, 111339, 123710, 126558, 131772, 140620, 148452, 164715, 185565, 197658, 210930, 219620, 222678, 247420, 253116, 316395, 329430, 371130, 395316, 421860, 445356, 494145, 556695, 632790, 658860, 742260, 977309, 988290, 1113390, 1265580, 1954618, 1976580, 2226780, 2931927, 3909236, 4886545, 5863854, 8795781, 9773090, 11727708, 14659635, 17591562, 19546180, 29319270, 35183124, 43978905, 58638540, 87957810, 175915620]

約数ペア:

[(1, 175915620), (2, 87957810), (3, 58638540), (4, 43978905), (5, 35183124), (6, 29319270), (9, 19546180), (10, 17591562), (12, 14659635), (15, 11727708), (18, 9773090), (20, 8795781), (30, 5863854), (36, 4886545), (45, 3909236), (60, 2931927), (79, 2226780), (89, 1976580), (90, 1954618), (139, 1265580), (158, 1113390), (178, 988290), (180, 977309), (237, 742260), (267, 658860), (278, 632790), (316, 556695), (356, 494145), (395, 445356), (417, 421860), (445, 395316), (474, 371130), (534, 329430), (556, 316395), (695, 253116), (711, 247420), (790, 222678), (801, 219620), (834, 210930), (890, 197658), (948, 185565), (1068, 164715), (1185, 148452), (1251, 140620), (1335, 131772), (1390, 126558), (1422, 123710), (1580, 111339), (1602, 109810), (1668, 105465), (1780, 98829), (2085, 84372), (2370, 74226), (2502, 70310), (2670, 65886), (2780, 63279), (2844, 61855), (3204, 54905), (3555, 49484), (4005, 43924), (4170, 42186), (4740, 37113), (5004, 35155), (5340, 32943), (6255, 28124), (7031, 25020), (7110, 24742), (8010, 21962), (8340, 21093), (10981, 16020), (12371, 14220), (12510, 14062)]