80673840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:78

約数の個数: 320

約数和(自身を含む): 318729600

約数和(自身を除く): 238055760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 169, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 306, 312, 338, 340, 351, 360, 390, 408, 432, 442, 459, 468, 507, 510, 520, 540, 585, 612, 624, 663, 676, 680, 702, 720, 765, 780, 816, 845, 884, 918, 936, 1014, 1020, 1040, 1080, 1105, 1170, 1224, 1326, 1352, 1360, 1404, 1521, 1530, 1560, 1690, 1755, 1768, 1836, 1872, 1989, 2028, 2040, 2160, 2197, 2210, 2295, 2340, 2448, 2535, 2652, 2704, 2808, 2873, 3042, 3060, 3120, 3315, 3380, 3510, 3536, 3672, 3978, 4056, 4080, 4394, 4420, 4563, 4590, 4680, 5070, 5304, 5616, 5746, 5967, 6084, 6120, 6591, 6630, 6760, 7020, 7344, 7605, 7956, 8112, 8619, 8788, 8840, 9126, 9180, 9360, 9945, 10140, 10608, 10985, 11492, 11934, 12168, 12240, 13182, 13260, 13520, 14040, 14365, 15210, 15912, 17238, 17576, 17680, 18252, 18360, 19773, 19890, 20280, 21970, 22815, 22984, 23868, 24336, 25857, 26364, 26520, 28080, 28730, 29835, 30420, 31824, 32955, 34476, 35152, 36504, 36720, 37349, 39546, 39780, 40560, 43095, 43940, 45630, 45968, 47736, 51714, 52728, 53040, 57460, 59319, 59670, 60840, 65910, 68952, 73008, 74698, 77571, 79092, 79560, 86190, 87880, 91260, 95472, 98865, 103428, 105456, 112047, 114920, 118638, 119340, 121680, 129285, 131820, 137904, 149396, 155142, 158184, 159120, 172380, 175760, 182520, 186745, 197730, 206856, 224094, 229840, 237276, 238680, 258570, 263640, 296595, 298792, 310284, 316368, 336141, 344760, 365040, 373490, 387855, 395460, 413712, 448188, 474552, 477360, 517140, 527280, 560235, 593190, 597584, 620568, 672282, 689520, 746980, 775710, 790920, 896376, 949104, 1008423, 1034280, 1120470, 1186380, 1241136, 1344564, 1493960, 1551420, 1581840, 1680705, 1792752, 2016846, 2068560, 2240940, 2372760, 2689128, 2987920, 3102840, 3361410, 4033692, 4481880, 4745520, 5042115, 5378256, 6205680, 6722820, 8067384, 8963760, 10084230, 13445640, 16134768, 20168460, 26891280, 40336920, 80673840]

約数ペア:

[(1, 80673840), (2, 40336920), (3, 26891280), (4, 20168460), (5, 16134768), (6, 13445640), (8, 10084230), (9, 8963760), (10, 8067384), (12, 6722820), (13, 6205680), (15, 5378256), (16, 5042115), (17, 4745520), (18, 4481880), (20, 4033692), (24, 3361410), (26, 3102840), (27, 2987920), (30, 2689128), (34, 2372760), (36, 2240940), (39, 2068560), (40, 2016846), (45, 1792752), (48, 1680705), (51, 1581840), (52, 1551420), (54, 1493960), (60, 1344564), (65, 1241136), (68, 1186380), (72, 1120470), (78, 1034280), (80, 1008423), (85, 949104), (90, 896376), (102, 790920), (104, 775710), (108, 746980), (117, 689520), (120, 672282), (130, 620568), (135, 597584), (136, 593190), (144, 560235), (153, 527280), (156, 517140), (169, 477360), (170, 474552), (180, 448188), (195, 413712), (204, 395460), (208, 387855), (216, 373490), (221, 365040), (234, 344760), (240, 336141), (255, 316368), (260, 310284), (270, 298792), (272, 296595), (306, 263640), (312, 258570), (338, 238680), (340, 237276), (351, 229840), (360, 224094), (390, 206856), (408, 197730), (432, 186745), (442, 182520), (459, 175760), (468, 172380), (507, 159120), (510, 158184), (520, 155142), (540, 149396), (585, 137904), (612, 131820), (624, 129285), (663, 121680), (676, 119340), (680, 118638), (702, 114920), (720, 112047), (765, 105456), (780, 103428), (816, 98865), (845, 95472), (884, 91260), (918, 87880), (936, 86190), (1014, 79560), (1020, 79092), (1040, 77571), (1080, 74698), (1105, 73008), (1170, 68952), (1224, 65910), (1326, 60840), (1352, 59670), (1360, 59319), (1404, 57460), (1521, 53040), (1530, 52728), (1560, 51714), (1690, 47736), (1755, 45968), (1768, 45630), (1836, 43940), (1872, 43095), (1989, 40560), (2028, 39780), (2040, 39546), (2160, 37349), (2197, 36720), (2210, 36504), (2295, 35152), (2340, 34476), (2448, 32955), (2535, 31824), (2652, 30420), (2704, 29835), (2808, 28730), (2873, 28080), (3042, 26520), (3060, 26364), (3120, 25857), (3315, 24336), (3380, 23868), (3510, 22984), (3536, 22815), (3672, 21970), (3978, 20280), (4056, 19890), (4080, 19773), (4394, 18360), (4420, 18252), (4563, 17680), (4590, 17576), (4680, 17238), (5070, 15912), (5304, 15210), (5616, 14365), (5746, 14040), (5967, 13520), (6084, 13260), (6120, 13182), (6591, 12240), (6630, 12168), (6760, 11934), (7020, 11492), (7344, 10985), (7605, 10608), (7956, 10140), (8112, 9945), (8619, 9360), (8788, 9180), (8840, 9126)]