180138840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{214451}}^1$

素因数の和:214472

約数の個数: 64

約数和(自身を含む): 617621760

約数和(自身を除く): 437482920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 214451, 428902, 643353, 857804, 1072255, 1286706, 1501157, 1715608, 2144510, 2573412, 3002314, 3216765, 4289020, 4503471, 5146824, 6004628, 6433530, 7505785, 8578040, 9006942, 12009256, 12867060, 15011570, 18013884, 22517355, 25734120, 30023140, 36027768, 45034710, 60046280, 90069420, 180138840]

約数ペア:

[(1, 180138840), (2, 90069420), (3, 60046280), (4, 45034710), (5, 36027768), (6, 30023140), (7, 25734120), (8, 22517355), (10, 18013884), (12, 15011570), (14, 12867060), (15, 12009256), (20, 9006942), (21, 8578040), (24, 7505785), (28, 6433530), (30, 6004628), (35, 5146824), (40, 4503471), (42, 4289020), (56, 3216765), (60, 3002314), (70, 2573412), (84, 2144510), (105, 1715608), (120, 1501157), (140, 1286706), (168, 1072255), (210, 857804), (280, 643353), (420, 428902), (840, 214451)]