218117880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{201961}}^1$

素因数の和:201981

約数の個数: 64

約数和(自身を含む): 727063200

約数和(自身を除く): 508945320

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, 201961, 403922, 605883, 807844, 1009805, 1211766, 1615688, 1817649, 2019610, 2423532, 3029415, 3635298, 4039220, 4847064, 5452947, 6058830, 7270596, 8078440, 9088245, 10905894, 12117660, 14541192, 18176490, 21811788, 24235320, 27264735, 36352980, 43623576, 54529470, 72705960, 109058940, 218117880]

約数ペア:

[(1, 218117880), (2, 109058940), (3, 72705960), (4, 54529470), (5, 43623576), (6, 36352980), (8, 27264735), (9, 24235320), (10, 21811788), (12, 18176490), (15, 14541192), (18, 12117660), (20, 10905894), (24, 9088245), (27, 8078440), (30, 7270596), (36, 6058830), (40, 5452947), (45, 4847064), (54, 4039220), (60, 3635298), (72, 3029415), (90, 2423532), (108, 2019610), (120, 1817649), (135, 1615688), (180, 1211766), (216, 1009805), (270, 807844), (360, 605883), (540, 403922), (1080, 201961)]