155756720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16361}}^1$

素因数の和:16398

約数の個数: 80

約数和(自身を含む): 438239808

約数和(自身を除く): 282483088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 9520, 16361, 32722, 65444, 81805, 114527, 130888, 163610, 229054, 261776, 278137, 327220, 458108, 556274, 572635, 654440, 916216, 1112548, 1145270, 1308880, 1390685, 1832432, 1946959, 2225096, 2290540, 2781370, 3893918, 4450192, 4581080, 5562740, 7787836, 9162160, 9734795, 11125480, 15575672, 19469590, 22250960, 31151344, 38939180, 77878360, 155756720]

約数ペア:

[(1, 155756720), (2, 77878360), (4, 38939180), (5, 31151344), (7, 22250960), (8, 19469590), (10, 15575672), (14, 11125480), (16, 9734795), (17, 9162160), (20, 7787836), (28, 5562740), (34, 4581080), (35, 4450192), (40, 3893918), (56, 2781370), (68, 2290540), (70, 2225096), (80, 1946959), (85, 1832432), (112, 1390685), (119, 1308880), (136, 1145270), (140, 1112548), (170, 916216), (238, 654440), (272, 572635), (280, 556274), (340, 458108), (476, 327220), (560, 278137), (595, 261776), (680, 229054), (952, 163610), (1190, 130888), (1360, 114527), (1904, 81805), (2380, 65444), (4760, 32722), (9520, 16361)]