638207680

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7883}}^1$

素因数の和:7934

約数の個数: 112

約数和(自身を含む): 1730191104

約数和(自身を除く): 1091983424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 920, 1012, 1265, 1472, 1760, 1840, 2024, 2530, 3520, 3680, 4048, 5060, 7360, 7883, 8096, 10120, 15766, 16192, 20240, 31532, 39415, 40480, 63064, 78830, 80960, 86713, 126128, 157660, 173426, 181309, 252256, 315320, 346852, 362618, 433565, 504512, 630640, 693704, 725236, 867130, 906545, 1261280, 1387408, 1450472, 1734260, 1813090, 1994399, 2522560, 2774816, 2900944, 3468520, 3626180, 3988798, 5549632, 5801888, 6937040, 7252360, 7977596, 9971995, 11603776, 13874080, 14504720, 15955192, 19943990, 27748160, 29009440, 31910384, 39887980, 58018880, 63820768, 79775960, 127641536, 159551920, 319103840, 638207680]

約数ペア:

[(1, 638207680), (2, 319103840), (4, 159551920), (5, 127641536), (8, 79775960), (10, 63820768), (11, 58018880), (16, 39887980), (20, 31910384), (22, 29009440), (23, 27748160), (32, 19943990), (40, 15955192), (44, 14504720), (46, 13874080), (55, 11603776), (64, 9971995), (80, 7977596), (88, 7252360), (92, 6937040), (110, 5801888), (115, 5549632), (160, 3988798), (176, 3626180), (184, 3468520), (220, 2900944), (230, 2774816), (253, 2522560), (320, 1994399), (352, 1813090), (368, 1734260), (440, 1450472), (460, 1387408), (506, 1261280), (704, 906545), (736, 867130), (880, 725236), (920, 693704), (1012, 630640), (1265, 504512), (1472, 433565), (1760, 362618), (1840, 346852), (2024, 315320), (2530, 252256), (3520, 181309), (3680, 173426), (4048, 157660), (5060, 126128), (7360, 86713), (7883, 80960), (8096, 78830), (10120, 63064), (15766, 40480), (16192, 39415), (20240, 31532)]