28361880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{26261}}^1$

素因数の和:26281

約数の個数: 64

約数和(自身を含む): 94543200

約数和(自身を除く): 66181320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 26261, 52522, 78783, 105044, 131305, 157566, 210088, 236349, 262610, 315132, 393915, 472698, 525220, 630264, 709047, 787830, 945396, 1050440, 1181745, 1418094, 1575660, 1890792, 2363490, 2836188, 3151320, 3545235, 4726980, 5672376, 7090470, 9453960, 14180940, 28361880]

約数ペア:

[(1, 28361880), (2, 14180940), (3, 9453960), (4, 7090470), (5, 5672376), (6, 4726980), (8, 3545235), (9, 3151320), (10, 2836188), (12, 2363490), (15, 1890792), (18, 1575660), (20, 1418094), (24, 1181745), (27, 1050440), (30, 945396), (36, 787830), (40, 709047), (45, 630264), (54, 525220), (60, 472698), (72, 393915), (90, 315132), (108, 262610), (120, 236349), (135, 210088), (180, 157566), (216, 131305), (270, 105044), (360, 78783), (540, 52522), (1080, 26261)]