79456640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 205999200

約数和(自身を除く): 126542560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 109, 128, 134, 136, 160, 170, 218, 268, 272, 320, 335, 340, 436, 536, 544, 545, 640, 670, 680, 872, 1072, 1088, 1090, 1139, 1340, 1360, 1744, 1853, 2144, 2176, 2180, 2278, 2680, 2720, 3488, 3706, 4288, 4360, 4556, 5360, 5440, 5695, 6976, 7303, 7412, 8576, 8720, 9112, 9265, 10720, 10880, 11390, 13952, 14606, 14824, 17440, 18224, 18530, 21440, 22780, 29212, 29648, 34880, 36448, 36515, 37060, 42880, 45560, 58424, 59296, 69760, 72896, 73030, 74120, 91120, 116848, 118592, 124151, 145792, 146060, 148240, 182240, 233696, 237184, 248302, 292120, 296480, 364480, 467392, 496604, 584240, 592960, 620755, 728960, 934784, 993208, 1168480, 1185920, 1241510, 1986416, 2336960, 2483020, 3972832, 4673920, 4966040, 7945664, 9932080, 15891328, 19864160, 39728320, 79456640]

約数ペア:

[(1, 79456640), (2, 39728320), (4, 19864160), (5, 15891328), (8, 9932080), (10, 7945664), (16, 4966040), (17, 4673920), (20, 3972832), (32, 2483020), (34, 2336960), (40, 1986416), (64, 1241510), (67, 1185920), (68, 1168480), (80, 993208), (85, 934784), (109, 728960), (128, 620755), (134, 592960), (136, 584240), (160, 496604), (170, 467392), (218, 364480), (268, 296480), (272, 292120), (320, 248302), (335, 237184), (340, 233696), (436, 182240), (536, 148240), (544, 146060), (545, 145792), (640, 124151), (670, 118592), (680, 116848), (872, 91120), (1072, 74120), (1088, 73030), (1090, 72896), (1139, 69760), (1340, 59296), (1360, 58424), (1744, 45560), (1853, 42880), (2144, 37060), (2176, 36515), (2180, 36448), (2278, 34880), (2680, 29648), (2720, 29212), (3488, 22780), (3706, 21440), (4288, 18530), (4360, 18224), (4556, 17440), (5360, 14824), (5440, 14606), (5695, 13952), (6976, 11390), (7303, 10880), (7412, 10720), (8576, 9265), (8720, 9112)]