325915840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 112

約数和(自身を含む): 828775584

約数和(自身を除く): 502859744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 181, 272, 320, 331, 340, 362, 544, 662, 680, 724, 905, 1088, 1324, 1360, 1448, 1655, 1810, 2648, 2720, 2896, 3077, 3310, 3620, 5296, 5440, 5627, 5792, 6154, 6620, 7240, 10592, 11254, 11584, 12308, 13240, 14480, 15385, 21184, 22508, 24616, 26480, 28135, 28960, 30770, 45016, 49232, 52960, 56270, 57920, 59911, 61540, 90032, 98464, 105920, 112540, 119822, 123080, 180064, 196928, 225080, 239644, 246160, 299555, 360128, 450160, 479288, 492320, 599110, 900320, 958576, 984640, 1018487, 1198220, 1800640, 1917152, 2036974, 2396440, 3834304, 4073948, 4792880, 5092435, 8147896, 9585760, 10184870, 16295792, 19171520, 20369740, 32591584, 40739480, 65183168, 81478960, 162957920, 325915840]

約数ペア:

[(1, 325915840), (2, 162957920), (4, 81478960), (5, 65183168), (8, 40739480), (10, 32591584), (16, 20369740), (17, 19171520), (20, 16295792), (32, 10184870), (34, 9585760), (40, 8147896), (64, 5092435), (68, 4792880), (80, 4073948), (85, 3834304), (136, 2396440), (160, 2036974), (170, 1917152), (181, 1800640), (272, 1198220), (320, 1018487), (331, 984640), (340, 958576), (362, 900320), (544, 599110), (662, 492320), (680, 479288), (724, 450160), (905, 360128), (1088, 299555), (1324, 246160), (1360, 239644), (1448, 225080), (1655, 196928), (1810, 180064), (2648, 123080), (2720, 119822), (2896, 112540), (3077, 105920), (3310, 98464), (3620, 90032), (5296, 61540), (5440, 59911), (5627, 57920), (5792, 56270), (6154, 52960), (6620, 49232), (7240, 45016), (10592, 30770), (11254, 28960), (11584, 28135), (12308, 26480), (13240, 24616), (14480, 22508), (15385, 21184)]