15686720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 43891200

約数和(自身を除く): 28204480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 149, 160, 188, 224, 235, 280, 298, 320, 329, 376, 448, 470, 560, 596, 658, 745, 752, 940, 1043, 1120, 1192, 1316, 1490, 1504, 1645, 1880, 2086, 2240, 2384, 2632, 2980, 3008, 3290, 3760, 4172, 4768, 5215, 5264, 5960, 6580, 7003, 7520, 8344, 9536, 10430, 10528, 11920, 13160, 14006, 15040, 16688, 20860, 21056, 23840, 26320, 28012, 33376, 35015, 41720, 47680, 49021, 52640, 56024, 66752, 70030, 83440, 98042, 105280, 112048, 140060, 166880, 196084, 224096, 245105, 280120, 333760, 392168, 448192, 490210, 560240, 784336, 980420, 1120480, 1568672, 1960840, 2240960, 3137344, 3921680, 7843360, 15686720]

約数ペア:

[(1, 15686720), (2, 7843360), (4, 3921680), (5, 3137344), (7, 2240960), (8, 1960840), (10, 1568672), (14, 1120480), (16, 980420), (20, 784336), (28, 560240), (32, 490210), (35, 448192), (40, 392168), (47, 333760), (56, 280120), (64, 245105), (70, 224096), (80, 196084), (94, 166880), (112, 140060), (140, 112048), (149, 105280), (160, 98042), (188, 83440), (224, 70030), (235, 66752), (280, 56024), (298, 52640), (320, 49021), (329, 47680), (376, 41720), (448, 35015), (470, 33376), (560, 28012), (596, 26320), (658, 23840), (745, 21056), (752, 20860), (940, 16688), (1043, 15040), (1120, 14006), (1192, 13160), (1316, 11920), (1490, 10528), (1504, 10430), (1645, 9536), (1880, 8344), (2086, 7520), (2240, 7003), (2384, 6580), (2632, 5960), (2980, 5264), (3008, 5215), (3290, 4768), (3760, 4172)]