178965780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{709}}^1$

素因数の和:1329

約数の個数: 96

約数和(自身を含む): 574452480

約数和(自身を除く): 395486700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 601, 709, 1202, 1418, 1803, 2127, 2404, 2836, 3005, 3545, 3606, 4207, 4254, 4963, 6010, 7090, 7212, 8414, 8508, 9015, 9926, 10635, 12020, 12621, 14180, 14889, 16828, 18030, 19852, 21035, 21270, 24815, 25242, 29778, 36060, 42070, 42540, 49630, 50484, 59556, 63105, 74445, 84140, 99260, 126210, 148890, 252420, 297780, 426109, 852218, 1278327, 1704436, 2130545, 2556654, 2982763, 4261090, 5113308, 5965526, 6391635, 8522180, 8948289, 11931052, 12783270, 14913815, 17896578, 25566540, 29827630, 35793156, 44741445, 59655260, 89482890, 178965780]

約数ペア:

[(1, 178965780), (2, 89482890), (3, 59655260), (4, 44741445), (5, 35793156), (6, 29827630), (7, 25566540), (10, 17896578), (12, 14913815), (14, 12783270), (15, 11931052), (20, 8948289), (21, 8522180), (28, 6391635), (30, 5965526), (35, 5113308), (42, 4261090), (60, 2982763), (70, 2556654), (84, 2130545), (105, 1704436), (140, 1278327), (210, 852218), (420, 426109), (601, 297780), (709, 252420), (1202, 148890), (1418, 126210), (1803, 99260), (2127, 84140), (2404, 74445), (2836, 63105), (3005, 59556), (3545, 50484), (3606, 49630), (4207, 42540), (4254, 42070), (4963, 36060), (6010, 29778), (7090, 25242), (7212, 24815), (8414, 21270), (8508, 21035), (9015, 19852), (9926, 18030), (10635, 16828), (12020, 14889), (12621, 14180)]