201216120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{239543}}^1$

素因数の和:239564

約数の個数: 64

約数和(自身を含む): 689886720

約数和(自身を除く): 488670600

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, 239543, 479086, 718629, 958172, 1197715, 1437258, 1676801, 1916344, 2395430, 2874516, 3353602, 3593145, 4790860, 5030403, 5749032, 6707204, 7186290, 8384005, 9581720, 10060806, 13414408, 14372580, 16768010, 20121612, 25152015, 28745160, 33536020, 40243224, 50304030, 67072040, 100608060, 201216120]

約数ペア:

[(1, 201216120), (2, 100608060), (3, 67072040), (4, 50304030), (5, 40243224), (6, 33536020), (7, 28745160), (8, 25152015), (10, 20121612), (12, 16768010), (14, 14372580), (15, 13414408), (20, 10060806), (21, 9581720), (24, 8384005), (28, 7186290), (30, 6707204), (35, 5749032), (40, 5030403), (42, 4790860), (56, 3593145), (60, 3353602), (70, 2874516), (84, 2395430), (105, 1916344), (120, 1676801), (140, 1437258), (168, 1197715), (210, 958172), (280, 718629), (420, 479086), (840, 239543)]