77884480

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 112

約数和(自身を含む): 199704960

約数和(自身を除く): 121820480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 103, 136, 139, 160, 170, 206, 272, 278, 320, 340, 412, 515, 544, 556, 680, 695, 824, 1030, 1088, 1112, 1360, 1390, 1648, 1751, 2060, 2224, 2363, 2720, 2780, 3296, 3502, 4120, 4448, 4726, 5440, 5560, 6592, 7004, 8240, 8755, 8896, 9452, 11120, 11815, 14008, 14317, 16480, 17510, 18904, 22240, 23630, 28016, 28634, 32960, 35020, 37808, 44480, 47260, 56032, 57268, 70040, 71585, 75616, 94520, 112064, 114536, 140080, 143170, 151232, 189040, 229072, 243389, 280160, 286340, 378080, 458144, 486778, 560320, 572680, 756160, 916288, 973556, 1145360, 1216945, 1947112, 2290720, 2433890, 3894224, 4581440, 4867780, 7788448, 9735560, 15576896, 19471120, 38942240, 77884480]

約数ペア:

[(1, 77884480), (2, 38942240), (4, 19471120), (5, 15576896), (8, 9735560), (10, 7788448), (16, 4867780), (17, 4581440), (20, 3894224), (32, 2433890), (34, 2290720), (40, 1947112), (64, 1216945), (68, 1145360), (80, 973556), (85, 916288), (103, 756160), (136, 572680), (139, 560320), (160, 486778), (170, 458144), (206, 378080), (272, 286340), (278, 280160), (320, 243389), (340, 229072), (412, 189040), (515, 151232), (544, 143170), (556, 140080), (680, 114536), (695, 112064), (824, 94520), (1030, 75616), (1088, 71585), (1112, 70040), (1360, 57268), (1390, 56032), (1648, 47260), (1751, 44480), (2060, 37808), (2224, 35020), (2363, 32960), (2720, 28634), (2780, 28016), (3296, 23630), (3502, 22240), (4120, 18904), (4448, 17510), (4726, 16480), (5440, 14317), (5560, 14008), (6592, 11815), (7004, 11120), (8240, 9452), (8755, 8896)]