157497760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20089}}^1$

素因数の和:20118

約数の個数: 72

約数和(自身を含む): 432859140

約数和(自身を除く): 275361380

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20089, 40178, 80356, 100445, 140623, 160712, 200890, 281246, 321424, 401780, 562492, 642848, 703115, 803560, 984361, 1124984, 1406230, 1607120, 1968722, 2249968, 2812460, 3214240, 3937444, 4499936, 4921805, 5624920, 7874888, 9843610, 11249840, 15749776, 19687220, 22499680, 31499552, 39374440, 78748880, 157497760]

約数ペア:

[(1, 157497760), (2, 78748880), (4, 39374440), (5, 31499552), (7, 22499680), (8, 19687220), (10, 15749776), (14, 11249840), (16, 9843610), (20, 7874888), (28, 5624920), (32, 4921805), (35, 4499936), (40, 3937444), (49, 3214240), (56, 2812460), (70, 2249968), (80, 1968722), (98, 1607120), (112, 1406230), (140, 1124984), (160, 984361), (196, 803560), (224, 703115), (245, 642848), (280, 562492), (392, 401780), (490, 321424), (560, 281246), (784, 200890), (980, 160712), (1120, 140623), (1568, 100445), (1960, 80356), (3920, 40178), (7840, 20089)]