243795720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{290233}}^1$

素因数の和:290254

約数の個数: 64

約数和(自身を含む): 835873920

約数和(自身を除く): 592078200

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, 290233, 580466, 870699, 1160932, 1451165, 1741398, 2031631, 2321864, 2902330, 3482796, 4063262, 4353495, 5804660, 6094893, 6965592, 8126524, 8706990, 10158155, 11609320, 12189786, 16253048, 17413980, 20316310, 24379572, 30474465, 34827960, 40632620, 48759144, 60948930, 81265240, 121897860, 243795720]

約数ペア:

[(1, 243795720), (2, 121897860), (3, 81265240), (4, 60948930), (5, 48759144), (6, 40632620), (7, 34827960), (8, 30474465), (10, 24379572), (12, 20316310), (14, 17413980), (15, 16253048), (20, 12189786), (21, 11609320), (24, 10158155), (28, 8706990), (30, 8126524), (35, 6965592), (40, 6094893), (42, 5804660), (56, 4353495), (60, 4063262), (70, 3482796), (84, 2902330), (105, 2321864), (120, 2031631), (140, 1741398), (168, 1451165), (210, 1160932), (280, 870699), (420, 580466), (840, 290233)]