28004040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 91990080

約数和(自身を除く): 63986040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 642, 727, 856, 963, 1070, 1284, 1454, 1605, 1926, 2140, 2181, 2568, 2908, 3210, 3635, 3852, 4280, 4362, 4815, 5816, 6420, 6543, 7270, 7704, 8724, 9630, 10905, 12840, 13086, 14540, 17448, 19260, 21810, 26172, 29080, 32715, 38520, 43620, 52344, 65430, 77789, 87240, 130860, 155578, 233367, 261720, 311156, 388945, 466734, 622312, 700101, 777890, 933468, 1166835, 1400202, 1555780, 1866936, 2333670, 2800404, 3111560, 3500505, 4667340, 5600808, 7001010, 9334680, 14002020, 28004040]

約数ペア:

[(1, 28004040), (2, 14002020), (3, 9334680), (4, 7001010), (5, 5600808), (6, 4667340), (8, 3500505), (9, 3111560), (10, 2800404), (12, 2333670), (15, 1866936), (18, 1555780), (20, 1400202), (24, 1166835), (30, 933468), (36, 777890), (40, 700101), (45, 622312), (60, 466734), (72, 388945), (90, 311156), (107, 261720), (120, 233367), (180, 155578), (214, 130860), (321, 87240), (360, 77789), (428, 65430), (535, 52344), (642, 43620), (727, 38520), (856, 32715), (963, 29080), (1070, 26172), (1284, 21810), (1454, 19260), (1605, 17448), (1926, 14540), (2140, 13086), (2181, 12840), (2568, 10905), (2908, 9630), (3210, 8724), (3635, 7704), (3852, 7270), (4280, 6543), (4362, 6420), (4815, 5816)]