171671220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{136247}}^1$

素因数の和:136269

約数の個数: 72

約数和(自身を含む): 595131264

約数和(自身を除く): 423460044

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 136247, 272494, 408741, 544988, 681235, 817482, 953729, 1226223, 1362470, 1634964, 1907458, 2043705, 2452446, 2724940, 2861187, 3814916, 4087410, 4768645, 4904892, 5722374, 6131115, 8174820, 8583561, 9537290, 11444748, 12262230, 14305935, 17167122, 19074580, 24524460, 28611870, 34334244, 42917805, 57223740, 85835610, 171671220]

約数ペア:

[(1, 171671220), (2, 85835610), (3, 57223740), (4, 42917805), (5, 34334244), (6, 28611870), (7, 24524460), (9, 19074580), (10, 17167122), (12, 14305935), (14, 12262230), (15, 11444748), (18, 9537290), (20, 8583561), (21, 8174820), (28, 6131115), (30, 5722374), (35, 4904892), (36, 4768645), (42, 4087410), (45, 3814916), (60, 2861187), (63, 2724940), (70, 2452446), (84, 2043705), (90, 1907458), (105, 1634964), (126, 1362470), (140, 1226223), (180, 953729), (210, 817482), (252, 681235), (315, 544988), (420, 408741), (630, 272494), (1260, 136247)]