28444640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 49393120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 233, 280, 436, 466, 545, 560, 763, 872, 932, 1090, 1120, 1165, 1526, 1631, 1744, 1864, 2180, 2330, 3052, 3262, 3488, 3728, 3815, 4360, 4660, 6104, 6524, 7456, 7630, 8155, 8720, 9320, 12208, 13048, 15260, 16310, 17440, 18640, 24416, 25397, 26096, 30520, 32620, 37280, 50794, 52192, 61040, 65240, 101588, 122080, 126985, 130480, 177779, 203176, 253970, 260960, 355558, 406352, 507940, 711116, 812704, 888895, 1015880, 1422232, 1777790, 2031760, 2844464, 3555580, 4063520, 5688928, 7111160, 14222320, 28444640]

約数ペア:

[(1, 28444640), (2, 14222320), (4, 7111160), (5, 5688928), (7, 4063520), (8, 3555580), (10, 2844464), (14, 2031760), (16, 1777790), (20, 1422232), (28, 1015880), (32, 888895), (35, 812704), (40, 711116), (56, 507940), (70, 406352), (80, 355558), (109, 260960), (112, 253970), (140, 203176), (160, 177779), (218, 130480), (224, 126985), (233, 122080), (280, 101588), (436, 65240), (466, 61040), (545, 52192), (560, 50794), (763, 37280), (872, 32620), (932, 30520), (1090, 26096), (1120, 25397), (1165, 24416), (1526, 18640), (1631, 17440), (1744, 16310), (1864, 15260), (2180, 13048), (2330, 12208), (3052, 9320), (3262, 8720), (3488, 8155), (3728, 7630), (3815, 7456), (4360, 6524), (4660, 6104)]