1320820480

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{21059}}^1$

素因数の和:21094

約数の個数: 108

約数和(自身を含む): 3680487720

約数和(自身を除く): 2359667240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 8960, 12544, 15680, 21059, 31360, 42118, 62720, 84236, 105295, 147413, 168472, 210590, 294826, 336944, 421180, 589652, 673888, 737065, 842360, 1031891, 1179304, 1347776, 1474130, 1684720, 2063782, 2358608, 2695552, 2948260, 3369440, 4127564, 4717216, 5159455, 5391104, 5896520, 6738880, 8255128, 9434432, 10318910, 11793040, 13477760, 16510256, 18868864, 20637820, 23586080, 26955520, 33020512, 37737728, 41275640, 47172160, 66041024, 82551280, 94344320, 132082048, 165102560, 188688640, 264164096, 330205120, 660410240, 1320820480]

約数ペア:

[(1, 1320820480), (2, 660410240), (4, 330205120), (5, 264164096), (7, 188688640), (8, 165102560), (10, 132082048), (14, 94344320), (16, 82551280), (20, 66041024), (28, 47172160), (32, 41275640), (35, 37737728), (40, 33020512), (49, 26955520), (56, 23586080), (64, 20637820), (70, 18868864), (80, 16510256), (98, 13477760), (112, 11793040), (128, 10318910), (140, 9434432), (160, 8255128), (196, 6738880), (224, 5896520), (245, 5391104), (256, 5159455), (280, 4717216), (320, 4127564), (392, 3369440), (448, 2948260), (490, 2695552), (560, 2358608), (640, 2063782), (784, 1684720), (896, 1474130), (980, 1347776), (1120, 1179304), (1280, 1031891), (1568, 842360), (1792, 737065), (1960, 673888), (2240, 589652), (3136, 421180), (3920, 336944), (4480, 294826), (6272, 210590), (7840, 168472), (8960, 147413), (12544, 105295), (15680, 84236), (21059, 62720), (31360, 42118)]