78445640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:991

約数の個数: 128

約数和(自身を含む): 226920960

約数和(自身を除く): 148475320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 937, 1196, 1288, 1495, 1610, 1820, 1874, 2093, 2392, 2990, 3220, 3640, 3748, 4186, 4685, 5980, 6440, 6559, 7496, 8372, 9370, 10465, 11960, 12181, 13118, 16744, 18740, 20930, 21551, 24362, 26236, 32795, 37480, 41860, 43102, 48724, 52472, 60905, 65590, 83720, 85267, 86204, 97448, 107755, 121810, 131180, 150857, 170534, 172408, 215510, 243620, 262360, 280163, 301714, 341068, 426335, 431020, 487240, 560326, 603428, 682136, 754285, 852670, 862040, 1120652, 1206856, 1400815, 1508570, 1705340, 1961141, 2241304, 2801630, 3017140, 3410680, 3922282, 5603260, 6034280, 7844564, 9805705, 11206520, 15689128, 19611410, 39222820, 78445640]

約数ペア:

[(1, 78445640), (2, 39222820), (4, 19611410), (5, 15689128), (7, 11206520), (8, 9805705), (10, 7844564), (13, 6034280), (14, 5603260), (20, 3922282), (23, 3410680), (26, 3017140), (28, 2801630), (35, 2241304), (40, 1961141), (46, 1705340), (52, 1508570), (56, 1400815), (65, 1206856), (70, 1120652), (91, 862040), (92, 852670), (104, 754285), (115, 682136), (130, 603428), (140, 560326), (161, 487240), (182, 431020), (184, 426335), (230, 341068), (260, 301714), (280, 280163), (299, 262360), (322, 243620), (364, 215510), (455, 172408), (460, 170534), (520, 150857), (598, 131180), (644, 121810), (728, 107755), (805, 97448), (910, 86204), (920, 85267), (937, 83720), (1196, 65590), (1288, 60905), (1495, 52472), (1610, 48724), (1820, 43102), (1874, 41860), (2093, 37480), (2392, 32795), (2990, 26236), (3220, 24362), (3640, 21551), (3748, 20930), (4186, 18740), (4685, 16744), (5980, 13118), (6440, 12181), (6559, 11960), (7496, 10465), (8372, 9370)]