28257360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 88119360

約数和(自身を除く): 59862000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 419, 562, 838, 843, 1124, 1257, 1405, 1676, 1686, 2095, 2248, 2514, 2810, 3352, 3372, 4190, 4215, 4496, 5028, 5620, 6285, 6704, 6744, 8380, 8430, 10056, 11240, 12570, 13488, 16760, 16860, 20112, 22480, 25140, 33520, 33720, 50280, 67440, 100560, 117739, 235478, 353217, 470956, 588695, 706434, 941912, 1177390, 1412868, 1766085, 1883824, 2354780, 2825736, 3532170, 4709560, 5651472, 7064340, 9419120, 14128680, 28257360]

約数ペア:

[(1, 28257360), (2, 14128680), (3, 9419120), (4, 7064340), (5, 5651472), (6, 4709560), (8, 3532170), (10, 2825736), (12, 2354780), (15, 1883824), (16, 1766085), (20, 1412868), (24, 1177390), (30, 941912), (40, 706434), (48, 588695), (60, 470956), (80, 353217), (120, 235478), (240, 117739), (281, 100560), (419, 67440), (562, 50280), (838, 33720), (843, 33520), (1124, 25140), (1257, 22480), (1405, 20112), (1676, 16860), (1686, 16760), (2095, 13488), (2248, 12570), (2514, 11240), (2810, 10056), (3352, 8430), (3372, 8380), (4190, 6744), (4215, 6704), (4496, 6285), (5028, 5620)]