28895360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 78140160

約数和(自身を除く): 49244800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 151, 160, 184, 208, 230, 260, 299, 302, 320, 368, 416, 460, 520, 598, 604, 640, 736, 755, 832, 920, 1040, 1196, 1208, 1472, 1495, 1510, 1664, 1840, 1963, 2080, 2392, 2416, 2944, 2990, 3020, 3473, 3680, 3926, 4160, 4784, 4832, 5980, 6040, 6946, 7360, 7852, 8320, 9568, 9664, 9815, 11960, 12080, 13892, 14720, 15704, 17365, 19136, 19328, 19630, 23920, 24160, 27784, 31408, 34730, 38272, 39260, 45149, 47840, 48320, 55568, 62816, 69460, 78520, 90298, 95680, 96640, 111136, 125632, 138920, 157040, 180596, 191360, 222272, 225745, 251264, 277840, 314080, 361192, 444544, 451490, 555680, 628160, 722384, 902980, 1111360, 1256320, 1444768, 1805960, 2222720, 2889536, 3611920, 5779072, 7223840, 14447680, 28895360]

約数ペア:

[(1, 28895360), (2, 14447680), (4, 7223840), (5, 5779072), (8, 3611920), (10, 2889536), (13, 2222720), (16, 1805960), (20, 1444768), (23, 1256320), (26, 1111360), (32, 902980), (40, 722384), (46, 628160), (52, 555680), (64, 451490), (65, 444544), (80, 361192), (92, 314080), (104, 277840), (115, 251264), (128, 225745), (130, 222272), (151, 191360), (160, 180596), (184, 157040), (208, 138920), (230, 125632), (260, 111136), (299, 96640), (302, 95680), (320, 90298), (368, 78520), (416, 69460), (460, 62816), (520, 55568), (598, 48320), (604, 47840), (640, 45149), (736, 39260), (755, 38272), (832, 34730), (920, 31408), (1040, 27784), (1196, 24160), (1208, 23920), (1472, 19630), (1495, 19328), (1510, 19136), (1664, 17365), (1840, 15704), (1963, 14720), (2080, 13892), (2392, 12080), (2416, 11960), (2944, 9815), (2990, 9664), (3020, 9568), (3473, 8320), (3680, 7852), (3926, 7360), (4160, 6946), (4784, 6040), (4832, 5980)]