221392640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{24709}}^1$

素因数の和:24737

約数の個数: 72

約数和(自身を含む): 606086880

約数和(自身を除く): 384694240

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, 24709, 49418, 98836, 123545, 172963, 197672, 247090, 345926, 395344, 494180, 691852, 790688, 864815, 988360, 1383704, 1581376, 1729630, 1976720, 2767408, 3162752, 3459260, 3953440, 5534816, 6325504, 6918520, 7906880, 11069632, 13837040, 15813760, 22139264, 27674080, 31627520, 44278528, 55348160, 110696320, 221392640]

約数ペア:

[(1, 221392640), (2, 110696320), (4, 55348160), (5, 44278528), (7, 31627520), (8, 27674080), (10, 22139264), (14, 15813760), (16, 13837040), (20, 11069632), (28, 7906880), (32, 6918520), (35, 6325504), (40, 5534816), (56, 3953440), (64, 3459260), (70, 3162752), (80, 2767408), (112, 1976720), (128, 1729630), (140, 1581376), (160, 1383704), (224, 988360), (256, 864815), (280, 790688), (320, 691852), (448, 494180), (560, 395344), (640, 345926), (896, 247090), (1120, 197672), (1280, 172963), (1792, 123545), (2240, 98836), (4480, 49418), (8960, 24709)]