78137880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:873

約数の個数: 128

約数和(自身を含む): 252806400

約数和(自身を除く): 174668520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 43, 57, 60, 76, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 258, 285, 344, 380, 430, 456, 516, 570, 645, 760, 797, 817, 860, 1032, 1140, 1290, 1594, 1634, 1720, 2280, 2391, 2451, 2580, 3188, 3268, 3985, 4085, 4782, 4902, 5160, 6376, 6536, 7970, 8170, 9564, 9804, 11955, 12255, 15143, 15940, 16340, 19128, 19608, 23910, 24510, 30286, 31880, 32680, 34271, 45429, 47820, 49020, 60572, 68542, 75715, 90858, 95640, 98040, 102813, 121144, 137084, 151430, 171355, 181716, 205626, 227145, 274168, 302860, 342710, 363432, 411252, 454290, 514065, 605720, 651149, 685420, 822504, 908580, 1028130, 1302298, 1370840, 1817160, 1953447, 2056260, 2604596, 3255745, 3906894, 4112520, 5209192, 6511490, 7813788, 9767235, 13022980, 15627576, 19534470, 26045960, 39068940, 78137880]

約数ペア:

[(1, 78137880), (2, 39068940), (3, 26045960), (4, 19534470), (5, 15627576), (6, 13022980), (8, 9767235), (10, 7813788), (12, 6511490), (15, 5209192), (19, 4112520), (20, 3906894), (24, 3255745), (30, 2604596), (38, 2056260), (40, 1953447), (43, 1817160), (57, 1370840), (60, 1302298), (76, 1028130), (86, 908580), (95, 822504), (114, 685420), (120, 651149), (129, 605720), (152, 514065), (172, 454290), (190, 411252), (215, 363432), (228, 342710), (258, 302860), (285, 274168), (344, 227145), (380, 205626), (430, 181716), (456, 171355), (516, 151430), (570, 137084), (645, 121144), (760, 102813), (797, 98040), (817, 95640), (860, 90858), (1032, 75715), (1140, 68542), (1290, 60572), (1594, 49020), (1634, 47820), (1720, 45429), (2280, 34271), (2391, 32680), (2451, 31880), (2580, 30286), (3188, 24510), (3268, 23910), (3985, 19608), (4085, 19128), (4782, 16340), (4902, 15940), (5160, 15143), (6376, 12255), (6536, 11955), (7970, 9804), (8170, 9564)]