238221720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1470

約数の個数: 192

約数和(自身を含む): 864864000

約数和(自身を除く): 626642280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 55, 60, 66, 72, 86, 88, 90, 99, 110, 120, 129, 132, 165, 172, 180, 198, 215, 220, 258, 264, 330, 344, 360, 387, 396, 430, 440, 473, 495, 516, 645, 660, 774, 792, 860, 946, 990, 1032, 1290, 1320, 1399, 1419, 1548, 1720, 1892, 1935, 1980, 2365, 2580, 2798, 2838, 3096, 3784, 3870, 3960, 4197, 4257, 4730, 5160, 5596, 5676, 6995, 7095, 7740, 8394, 8514, 9460, 11192, 11352, 12591, 13990, 14190, 15389, 15480, 16788, 17028, 18920, 20985, 21285, 25182, 27980, 28380, 30778, 33576, 34056, 41970, 42570, 46167, 50364, 55960, 56760, 60157, 61556, 62955, 76945, 83940, 85140, 92334, 100728, 120314, 123112, 125910, 138501, 153890, 167880, 170280, 180471, 184668, 230835, 240628, 251820, 277002, 300785, 307780, 360942, 369336, 461670, 481256, 503640, 541413, 554004, 601570, 615560, 661727, 692505, 721884, 902355, 923340, 1082826, 1108008, 1203140, 1323454, 1385010, 1443768, 1804710, 1846680, 1985181, 2165652, 2406280, 2646908, 2707065, 2770020, 3308635, 3609420, 3970362, 4331304, 5293816, 5414130, 5540040, 5955543, 6617270, 7218840, 7940724, 9925905, 10828260, 11911086, 13234540, 15881448, 19851810, 21656520, 23822172, 26469080, 29777715, 39703620, 47644344, 59555430, 79407240, 119110860, 238221720]

約数ペア:

[(1, 238221720), (2, 119110860), (3, 79407240), (4, 59555430), (5, 47644344), (6, 39703620), (8, 29777715), (9, 26469080), (10, 23822172), (11, 21656520), (12, 19851810), (15, 15881448), (18, 13234540), (20, 11911086), (22, 10828260), (24, 9925905), (30, 7940724), (33, 7218840), (36, 6617270), (40, 5955543), (43, 5540040), (44, 5414130), (45, 5293816), (55, 4331304), (60, 3970362), (66, 3609420), (72, 3308635), (86, 2770020), (88, 2707065), (90, 2646908), (99, 2406280), (110, 2165652), (120, 1985181), (129, 1846680), (132, 1804710), (165, 1443768), (172, 1385010), (180, 1323454), (198, 1203140), (215, 1108008), (220, 1082826), (258, 923340), (264, 902355), (330, 721884), (344, 692505), (360, 661727), (387, 615560), (396, 601570), (430, 554004), (440, 541413), (473, 503640), (495, 481256), (516, 461670), (645, 369336), (660, 360942), (774, 307780), (792, 300785), (860, 277002), (946, 251820), (990, 240628), (1032, 230835), (1290, 184668), (1320, 180471), (1399, 170280), (1419, 167880), (1548, 153890), (1720, 138501), (1892, 125910), (1935, 123112), (1980, 120314), (2365, 100728), (2580, 92334), (2798, 85140), (2838, 83940), (3096, 76945), (3784, 62955), (3870, 61556), (3960, 60157), (4197, 56760), (4257, 55960), (4730, 50364), (5160, 46167), (5596, 42570), (5676, 41970), (6995, 34056), (7095, 33576), (7740, 30778), (8394, 28380), (8514, 27980), (9460, 25182), (11192, 21285), (11352, 20985), (12591, 18920), (13990, 17028), (14190, 16788), (15389, 15480)]