181012720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10427}}^1$

素因数の和:10478

約数の個数: 80

約数和(自身を含む): 496539648

約数和(自身を除く): 315526928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 10427, 17360, 20854, 41708, 52135, 72989, 83416, 104270, 145978, 166832, 208540, 291956, 323237, 364945, 417080, 583912, 646474, 729890, 834160, 1167824, 1292948, 1459780, 1616185, 2262659, 2585896, 2919560, 3232370, 4525318, 5171792, 5839120, 6464740, 9050636, 11313295, 12929480, 18101272, 22626590, 25858960, 36202544, 45253180, 90506360, 181012720]

約数ペア:

[(1, 181012720), (2, 90506360), (4, 45253180), (5, 36202544), (7, 25858960), (8, 22626590), (10, 18101272), (14, 12929480), (16, 11313295), (20, 9050636), (28, 6464740), (31, 5839120), (35, 5171792), (40, 4525318), (56, 3232370), (62, 2919560), (70, 2585896), (80, 2262659), (112, 1616185), (124, 1459780), (140, 1292948), (155, 1167824), (217, 834160), (248, 729890), (280, 646474), (310, 583912), (434, 417080), (496, 364945), (560, 323237), (620, 291956), (868, 208540), (1085, 166832), (1240, 145978), (1736, 104270), (2170, 83416), (2480, 72989), (3472, 52135), (4340, 41708), (8680, 20854), (10427, 17360)]