640348128

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1663}}^1$

素因数の和:1877

約数の個数: 144

約数和(自身を含む): 2093285376

約数和(自身を除く): 1452937248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 191, 224, 252, 288, 336, 382, 504, 573, 672, 764, 1008, 1146, 1337, 1528, 1663, 1719, 2016, 2292, 2674, 3056, 3326, 3438, 4011, 4584, 4989, 5348, 6112, 6652, 6876, 8022, 9168, 9978, 10696, 11641, 12033, 13304, 13752, 14967, 16044, 18336, 19956, 21392, 23282, 24066, 26608, 27504, 29934, 32088, 34923, 39912, 42784, 46564, 48132, 53216, 55008, 59868, 64176, 69846, 79824, 93128, 96264, 104769, 119736, 128352, 139692, 159648, 186256, 192528, 209538, 239472, 279384, 317633, 372512, 385056, 419076, 478944, 558768, 635266, 838152, 952899, 1117536, 1270532, 1676304, 1905798, 2223431, 2541064, 2858697, 3352608, 3811596, 4446862, 5082128, 5717394, 6670293, 7623192, 8893724, 10164256, 11434788, 13340586, 15246384, 17787448, 20010879, 22869576, 26681172, 30492768, 35574896, 40021758, 45739152, 53362344, 71149792, 80043516, 91478304, 106724688, 160087032, 213449376, 320174064, 640348128]

約数ペア:

[(1, 640348128), (2, 320174064), (3, 213449376), (4, 160087032), (6, 106724688), (7, 91478304), (8, 80043516), (9, 71149792), (12, 53362344), (14, 45739152), (16, 40021758), (18, 35574896), (21, 30492768), (24, 26681172), (28, 22869576), (32, 20010879), (36, 17787448), (42, 15246384), (48, 13340586), (56, 11434788), (63, 10164256), (72, 8893724), (84, 7623192), (96, 6670293), (112, 5717394), (126, 5082128), (144, 4446862), (168, 3811596), (191, 3352608), (224, 2858697), (252, 2541064), (288, 2223431), (336, 1905798), (382, 1676304), (504, 1270532), (573, 1117536), (672, 952899), (764, 838152), (1008, 635266), (1146, 558768), (1337, 478944), (1528, 419076), (1663, 385056), (1719, 372512), (2016, 317633), (2292, 279384), (2674, 239472), (3056, 209538), (3326, 192528), (3438, 186256), (4011, 159648), (4584, 139692), (4989, 128352), (5348, 119736), (6112, 104769), (6652, 96264), (6876, 93128), (8022, 79824), (9168, 69846), (9978, 64176), (10696, 59868), (11641, 55008), (12033, 53216), (13304, 48132), (13752, 46564), (14967, 42784), (16044, 39912), (18336, 34923), (19956, 32088), (21392, 29934), (23282, 27504), (24066, 26608)]