319742080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{479}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 881280000

約数和(自身を除く): 561537920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 149, 160, 224, 280, 298, 320, 448, 479, 560, 596, 640, 745, 896, 958, 1043, 1120, 1192, 1490, 1916, 2086, 2240, 2384, 2395, 2980, 3353, 3832, 4172, 4480, 4768, 4790, 5215, 5960, 6706, 7664, 8344, 9536, 9580, 10430, 11920, 13412, 15328, 16688, 16765, 19072, 19160, 20860, 23840, 26824, 30656, 33376, 33530, 38320, 41720, 47680, 53648, 61312, 66752, 67060, 71371, 76640, 83440, 95360, 107296, 133504, 134120, 142742, 153280, 166880, 214592, 268240, 285484, 306560, 333760, 356855, 429184, 499597, 536480, 570968, 667520, 713710, 999194, 1072960, 1141936, 1427420, 1998388, 2145920, 2283872, 2497985, 2854840, 3996776, 4567744, 4995970, 5709680, 7993552, 9135488, 9991940, 11419360, 15987104, 19983880, 22838720, 31974208, 39967760, 45677440, 63948416, 79935520, 159871040, 319742080]

約数ペア:

[(1, 319742080), (2, 159871040), (4, 79935520), (5, 63948416), (7, 45677440), (8, 39967760), (10, 31974208), (14, 22838720), (16, 19983880), (20, 15987104), (28, 11419360), (32, 9991940), (35, 9135488), (40, 7993552), (56, 5709680), (64, 4995970), (70, 4567744), (80, 3996776), (112, 2854840), (128, 2497985), (140, 2283872), (149, 2145920), (160, 1998388), (224, 1427420), (280, 1141936), (298, 1072960), (320, 999194), (448, 713710), (479, 667520), (560, 570968), (596, 536480), (640, 499597), (745, 429184), (896, 356855), (958, 333760), (1043, 306560), (1120, 285484), (1192, 268240), (1490, 214592), (1916, 166880), (2086, 153280), (2240, 142742), (2384, 134120), (2395, 133504), (2980, 107296), (3353, 95360), (3832, 83440), (4172, 76640), (4480, 71371), (4768, 67060), (4790, 66752), (5215, 61312), (5960, 53648), (6706, 47680), (7664, 41720), (8344, 38320), (9536, 33530), (9580, 33376), (10430, 30656), (11920, 26824), (13412, 23840), (15328, 20860), (16688, 19160), (16765, 19072)]