30989640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1$

素因数の和:1423

約数の個数: 128

約数和(自身を含む): 107464320

約数和(自身を除く): 76474680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 330, 340, 374, 408, 440, 510, 561, 660, 680, 748, 935, 1020, 1122, 1320, 1381, 1496, 1870, 2040, 2244, 2762, 2805, 3740, 4143, 4488, 5524, 5610, 6905, 7480, 8286, 11048, 11220, 13810, 15191, 16572, 20715, 22440, 23477, 27620, 30382, 33144, 41430, 45573, 46954, 55240, 60764, 70431, 75955, 82860, 91146, 93908, 117385, 121528, 140862, 151910, 165720, 182292, 187816, 227865, 234770, 258247, 281724, 303820, 352155, 364584, 455730, 469540, 516494, 563448, 607640, 704310, 774741, 911460, 939080, 1032988, 1291235, 1408620, 1549482, 1822920, 2065976, 2582470, 2817240, 3098964, 3873705, 5164940, 6197928, 7747410, 10329880, 15494820, 30989640]

約数ペア:

[(1, 30989640), (2, 15494820), (3, 10329880), (4, 7747410), (5, 6197928), (6, 5164940), (8, 3873705), (10, 3098964), (11, 2817240), (12, 2582470), (15, 2065976), (17, 1822920), (20, 1549482), (22, 1408620), (24, 1291235), (30, 1032988), (33, 939080), (34, 911460), (40, 774741), (44, 704310), (51, 607640), (55, 563448), (60, 516494), (66, 469540), (68, 455730), (85, 364584), (88, 352155), (102, 303820), (110, 281724), (120, 258247), (132, 234770), (136, 227865), (165, 187816), (170, 182292), (187, 165720), (204, 151910), (220, 140862), (255, 121528), (264, 117385), (330, 93908), (340, 91146), (374, 82860), (408, 75955), (440, 70431), (510, 60764), (561, 55240), (660, 46954), (680, 45573), (748, 41430), (935, 33144), (1020, 30382), (1122, 27620), (1320, 23477), (1381, 22440), (1496, 20715), (1870, 16572), (2040, 15191), (2244, 13810), (2762, 11220), (2805, 11048), (3740, 8286), (4143, 7480), (4488, 6905), (5524, 5610)]