388620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 1257984

約数和(自身を除く): 869364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 127, 153, 170, 180, 204, 254, 255, 306, 340, 381, 508, 510, 612, 635, 762, 765, 1020, 1143, 1270, 1524, 1530, 1905, 2159, 2286, 2540, 3060, 3810, 4318, 4572, 5715, 6477, 7620, 8636, 10795, 11430, 12954, 19431, 21590, 22860, 25908, 32385, 38862, 43180, 64770, 77724, 97155, 129540, 194310, 388620]

約数ペア:

[(1, 388620), (2, 194310), (3, 129540), (4, 97155), (5, 77724), (6, 64770), (9, 43180), (10, 38862), (12, 32385), (15, 25908), (17, 22860), (18, 21590), (20, 19431), (30, 12954), (34, 11430), (36, 10795), (45, 8636), (51, 7620), (60, 6477), (68, 5715), (85, 4572), (90, 4318), (102, 3810), (127, 3060), (153, 2540), (170, 2286), (180, 2159), (204, 1905), (254, 1530), (255, 1524), (306, 1270), (340, 1143), (381, 1020), (508, 765), (510, 762), (612, 635)]