77490560

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{353}}^1$

素因数の和:393

約数の個数: 128

約数和(自身を含む): 216648000

約数和(自身を除く): 139157440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 353, 392, 448, 490, 560, 640, 686, 706, 784, 896, 980, 1120, 1372, 1412, 1568, 1715, 1765, 1960, 2240, 2471, 2744, 2824, 3136, 3430, 3530, 3920, 4480, 4942, 5488, 5648, 6272, 6860, 7060, 7840, 9884, 10976, 11296, 12355, 13720, 14120, 15680, 17297, 19768, 21952, 22592, 24710, 27440, 28240, 31360, 34594, 39536, 43904, 45184, 49420, 54880, 56480, 69188, 79072, 86485, 98840, 109760, 112960, 121079, 138376, 158144, 172970, 197680, 219520, 225920, 242158, 276752, 316288, 345940, 395360, 484316, 553504, 605395, 691880, 790720, 968632, 1107008, 1210790, 1383760, 1581440, 1937264, 2214016, 2421580, 2767520, 3874528, 4843160, 5535040, 7749056, 9686320, 11070080, 15498112, 19372640, 38745280, 77490560]

約数ペア:

[(1, 77490560), (2, 38745280), (4, 19372640), (5, 15498112), (7, 11070080), (8, 9686320), (10, 7749056), (14, 5535040), (16, 4843160), (20, 3874528), (28, 2767520), (32, 2421580), (35, 2214016), (40, 1937264), (49, 1581440), (56, 1383760), (64, 1210790), (70, 1107008), (80, 968632), (98, 790720), (112, 691880), (128, 605395), (140, 553504), (160, 484316), (196, 395360), (224, 345940), (245, 316288), (280, 276752), (320, 242158), (343, 225920), (353, 219520), (392, 197680), (448, 172970), (490, 158144), (560, 138376), (640, 121079), (686, 112960), (706, 109760), (784, 98840), (896, 86485), (980, 79072), (1120, 69188), (1372, 56480), (1412, 54880), (1568, 49420), (1715, 45184), (1765, 43904), (1960, 39536), (2240, 34594), (2471, 31360), (2744, 28240), (2824, 27440), (3136, 24710), (3430, 22592), (3530, 21952), (3920, 19768), (4480, 17297), (4942, 15680), (5488, 14120), (5648, 13720), (6272, 12355), (6860, 11296), (7060, 10976), (7840, 9884)]