331316720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13759}}^1$

素因数の和:13822

約数の個数: 80

約数和(自身を含む): 900894720

約数和(自身を除く): 569578000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3440, 4816, 6020, 12040, 13759, 24080, 27518, 55036, 68795, 96313, 110072, 137590, 192626, 220144, 275180, 385252, 481565, 550360, 591637, 770504, 963130, 1100720, 1183274, 1541008, 1926260, 2366548, 2958185, 3852520, 4141459, 4733096, 5916370, 7705040, 8282918, 9466192, 11832740, 16565836, 20707295, 23665480, 33131672, 41414590, 47330960, 66263344, 82829180, 165658360, 331316720]

約数ペア:

[(1, 331316720), (2, 165658360), (4, 82829180), (5, 66263344), (7, 47330960), (8, 41414590), (10, 33131672), (14, 23665480), (16, 20707295), (20, 16565836), (28, 11832740), (35, 9466192), (40, 8282918), (43, 7705040), (56, 5916370), (70, 4733096), (80, 4141459), (86, 3852520), (112, 2958185), (140, 2366548), (172, 1926260), (215, 1541008), (280, 1183274), (301, 1100720), (344, 963130), (430, 770504), (560, 591637), (602, 550360), (688, 481565), (860, 385252), (1204, 275180), (1505, 220144), (1720, 192626), (2408, 137590), (3010, 110072), (3440, 96313), (4816, 68795), (6020, 55036), (12040, 27518), (13759, 24080)]