18982080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^3$

素因数の和:65

約数の個数: 224

約数和(自身を含む): 72542400

約数和(自身を除く): 53560320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 169, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 338, 351, 360, 390, 416, 432, 468, 480, 507, 520, 540, 576, 585, 624, 676, 702, 720, 780, 832, 845, 864, 936, 960, 1014, 1040, 1080, 1170, 1248, 1352, 1404, 1440, 1521, 1560, 1690, 1728, 1755, 1872, 2028, 2080, 2160, 2197, 2340, 2496, 2535, 2704, 2808, 2880, 3042, 3120, 3380, 3510, 3744, 4056, 4160, 4320, 4394, 4563, 4680, 5070, 5408, 5616, 6084, 6240, 6591, 6760, 7020, 7488, 7605, 8112, 8640, 8788, 9126, 9360, 10140, 10816, 10985, 11232, 12168, 12480, 13182, 13520, 14040, 15210, 16224, 17576, 18252, 18720, 19773, 20280, 21970, 22464, 22815, 24336, 26364, 27040, 28080, 30420, 32448, 32955, 35152, 36504, 37440, 39546, 40560, 43940, 45630, 48672, 52728, 54080, 56160, 59319, 60840, 65910, 70304, 73008, 79092, 81120, 87880, 91260, 97344, 98865, 105456, 112320, 118638, 121680, 131820, 140608, 146016, 158184, 162240, 175760, 182520, 197730, 210912, 237276, 243360, 263640, 292032, 296595, 316368, 351520, 365040, 395460, 421824, 474552, 486720, 527280, 593190, 632736, 703040, 730080, 790920, 949104, 1054560, 1186380, 1265472, 1460160, 1581840, 1898208, 2109120, 2372760, 3163680, 3796416, 4745520, 6327360, 9491040, 18982080]

約数ペア:

[(1, 18982080), (2, 9491040), (3, 6327360), (4, 4745520), (5, 3796416), (6, 3163680), (8, 2372760), (9, 2109120), (10, 1898208), (12, 1581840), (13, 1460160), (15, 1265472), (16, 1186380), (18, 1054560), (20, 949104), (24, 790920), (26, 730080), (27, 703040), (30, 632736), (32, 593190), (36, 527280), (39, 486720), (40, 474552), (45, 421824), (48, 395460), (52, 365040), (54, 351520), (60, 316368), (64, 296595), (65, 292032), (72, 263640), (78, 243360), (80, 237276), (90, 210912), (96, 197730), (104, 182520), (108, 175760), (117, 162240), (120, 158184), (130, 146016), (135, 140608), (144, 131820), (156, 121680), (160, 118638), (169, 112320), (180, 105456), (192, 98865), (195, 97344), (208, 91260), (216, 87880), (234, 81120), (240, 79092), (260, 73008), (270, 70304), (288, 65910), (312, 60840), (320, 59319), (338, 56160), (351, 54080), (360, 52728), (390, 48672), (416, 45630), (432, 43940), (468, 40560), (480, 39546), (507, 37440), (520, 36504), (540, 35152), (576, 32955), (585, 32448), (624, 30420), (676, 28080), (702, 27040), (720, 26364), (780, 24336), (832, 22815), (845, 22464), (864, 21970), (936, 20280), (960, 19773), (1014, 18720), (1040, 18252), (1080, 17576), (1170, 16224), (1248, 15210), (1352, 14040), (1404, 13520), (1440, 13182), (1521, 12480), (1560, 12168), (1690, 11232), (1728, 10985), (1755, 10816), (1872, 10140), (2028, 9360), (2080, 9126), (2160, 8788), (2197, 8640), (2340, 8112), (2496, 7605), (2535, 7488), (2704, 7020), (2808, 6760), (2880, 6591), (3042, 6240), (3120, 6084), (3380, 5616), (3510, 5408), (3744, 5070), (4056, 4680), (4160, 4563), (4320, 4394)]