1278350080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{142673}}^1$

素因数の和:142701

約数の個数: 72

約数和(自身を含む): 3499507872

約数和(自身を除く): 2221157792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 142673, 285346, 570692, 713365, 998711, 1141384, 1426730, 1997422, 2282768, 2853460, 3994844, 4565536, 4993555, 5706920, 7989688, 9131072, 9987110, 11413840, 15979376, 18262144, 19974220, 22827680, 31958752, 36524288, 39948440, 45655360, 63917504, 79896880, 91310720, 127835008, 159793760, 182621440, 255670016, 319587520, 639175040, 1278350080]

約数ペア:

[(1, 1278350080), (2, 639175040), (4, 319587520), (5, 255670016), (7, 182621440), (8, 159793760), (10, 127835008), (14, 91310720), (16, 79896880), (20, 63917504), (28, 45655360), (32, 39948440), (35, 36524288), (40, 31958752), (56, 22827680), (64, 19974220), (70, 18262144), (80, 15979376), (112, 11413840), (128, 9987110), (140, 9131072), (160, 7989688), (224, 5706920), (256, 4993555), (280, 4565536), (320, 3994844), (448, 2853460), (560, 2282768), (640, 1997422), (896, 1426730), (1120, 1141384), (1280, 998711), (1792, 713365), (2240, 570692), (4480, 285346), (8960, 142673)]