145551420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1$

素因数の和:1720

約数の個数: 144

約数和(自身を含む): 511999488

約数和(自身を除く): 366448068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1627, 1988, 2130, 2485, 2556, 2982, 3195, 3254, 4260, 4473, 4881, 4970, 5964, 6390, 6508, 7455, 8135, 8946, 9762, 9940, 11389, 12780, 14643, 14910, 16270, 17892, 19524, 22365, 22778, 24405, 29286, 29820, 32540, 34167, 44730, 45556, 48810, 56945, 58572, 68334, 73215, 89460, 97620, 102501, 113890, 115517, 136668, 146430, 170835, 205002, 227780, 231034, 292860, 341670, 346551, 410004, 462068, 512505, 577585, 683340, 693102, 808619, 1025010, 1039653, 1155170, 1386204, 1617238, 1732755, 2050020, 2079306, 2310340, 2425857, 3234476, 3465510, 4043095, 4158612, 4851714, 5198265, 6931020, 7277571, 8086190, 9703428, 10396530, 12129285, 14555142, 16172380, 20793060, 24258570, 29110284, 36387855, 48517140, 72775710, 145551420]

約数ペア:

[(1, 145551420), (2, 72775710), (3, 48517140), (4, 36387855), (5, 29110284), (6, 24258570), (7, 20793060), (9, 16172380), (10, 14555142), (12, 12129285), (14, 10396530), (15, 9703428), (18, 8086190), (20, 7277571), (21, 6931020), (28, 5198265), (30, 4851714), (35, 4158612), (36, 4043095), (42, 3465510), (45, 3234476), (60, 2425857), (63, 2310340), (70, 2079306), (71, 2050020), (84, 1732755), (90, 1617238), (105, 1386204), (126, 1155170), (140, 1039653), (142, 1025010), (180, 808619), (210, 693102), (213, 683340), (252, 577585), (284, 512505), (315, 462068), (355, 410004), (420, 346551), (426, 341670), (497, 292860), (630, 231034), (639, 227780), (710, 205002), (852, 170835), (994, 146430), (1065, 136668), (1260, 115517), (1278, 113890), (1420, 102501), (1491, 97620), (1627, 89460), (1988, 73215), (2130, 68334), (2485, 58572), (2556, 56945), (2982, 48810), (3195, 45556), (3254, 44730), (4260, 34167), (4473, 32540), (4881, 29820), (4970, 29286), (5964, 24405), (6390, 22778), (6508, 22365), (7455, 19524), (8135, 17892), (8946, 16270), (9762, 14910), (9940, 14643), (11389, 12780)]