80550225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 166358400

約数和(自身を除く): 85808175

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 199, 225, 257, 315, 525, 597, 771, 995, 1285, 1393, 1575, 1791, 1799, 2313, 2985, 3855, 4179, 4975, 5397, 6425, 6965, 8955, 8995, 11565, 12537, 14925, 16191, 19275, 20895, 26985, 34825, 44775, 44975, 51143, 57825, 62685, 80955, 104475, 134925, 153429, 255715, 313425, 358001, 404775, 460287, 767145, 1074003, 1278575, 1790005, 2301435, 3222009, 3835725, 5370015, 8950025, 11507175, 16110045, 26850075, 80550225]

約数ペア:

[(1, 80550225), (3, 26850075), (5, 16110045), (7, 11507175), (9, 8950025), (15, 5370015), (21, 3835725), (25, 3222009), (35, 2301435), (45, 1790005), (63, 1278575), (75, 1074003), (105, 767145), (175, 460287), (199, 404775), (225, 358001), (257, 313425), (315, 255715), (525, 153429), (597, 134925), (771, 104475), (995, 80955), (1285, 62685), (1393, 57825), (1575, 51143), (1791, 44975), (1799, 44775), (2313, 34825), (2985, 26985), (3855, 20895), (4179, 19275), (4975, 16191), (5397, 14925), (6425, 12537), (6965, 11565), (8955, 8995)]