15690874120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{138563}}^1$

素因数の和:138742

約数の個数: 64

約数和(自身を含む): 37412280000

約数和(自身を除く): 21721405880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22648, 28310, 56620, 113240, 138563, 277126, 554252, 692815, 1108504, 1385630, 2632697, 2771260, 5265394, 5542520, 10530788, 13163485, 20645887, 21061576, 26326970, 41291774, 52653940, 82583548, 103229435, 105307880, 165167096, 206458870, 392271853, 412917740, 784543706, 825835480, 1569087412, 1961359265, 3138174824, 3922718530, 7845437060, 15690874120]

約数ペア:

[(1, 15690874120), (2, 7845437060), (4, 3922718530), (5, 3138174824), (8, 1961359265), (10, 1569087412), (19, 825835480), (20, 784543706), (38, 412917740), (40, 392271853), (76, 206458870), (95, 165167096), (149, 105307880), (152, 103229435), (190, 82583548), (298, 52653940), (380, 41291774), (596, 26326970), (745, 21061576), (760, 20645887), (1192, 13163485), (1490, 10530788), (2831, 5542520), (2980, 5265394), (5662, 2771260), (5960, 2632697), (11324, 1385630), (14155, 1108504), (22648, 692815), (28310, 554252), (56620, 277126), (113240, 138563)]