201538480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 559964160

約数和(自身を除く): 358425680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 79, 80, 88, 104, 110, 130, 143, 158, 176, 208, 220, 223, 260, 286, 316, 395, 440, 446, 520, 572, 632, 715, 790, 869, 880, 892, 1027, 1040, 1115, 1144, 1264, 1430, 1580, 1738, 1784, 2054, 2230, 2288, 2453, 2860, 2899, 3160, 3476, 3568, 4108, 4345, 4460, 4906, 5135, 5720, 5798, 6320, 6952, 8216, 8690, 8920, 9812, 10270, 11297, 11440, 11596, 12265, 13904, 14495, 16432, 17380, 17617, 17840, 19624, 20540, 22594, 23192, 24530, 28990, 31889, 34760, 35234, 39248, 41080, 45188, 46384, 49060, 56485, 57980, 63778, 69520, 70468, 82160, 88085, 90376, 98120, 112970, 115960, 127556, 140936, 159445, 176170, 180752, 193787, 196240, 225940, 229021, 231920, 255112, 281872, 318890, 352340, 387574, 451880, 458042, 510224, 637780, 704680, 775148, 903760, 916084, 968935, 1145105, 1275560, 1409360, 1550296, 1832168, 1937870, 2290210, 2519231, 2551120, 3100592, 3664336, 3875740, 4580420, 5038462, 7751480, 9160840, 10076924, 12596155, 15502960, 18321680, 20153848, 25192310, 40307696, 50384620, 100769240, 201538480]

約数ペア:

[(1, 201538480), (2, 100769240), (4, 50384620), (5, 40307696), (8, 25192310), (10, 20153848), (11, 18321680), (13, 15502960), (16, 12596155), (20, 10076924), (22, 9160840), (26, 7751480), (40, 5038462), (44, 4580420), (52, 3875740), (55, 3664336), (65, 3100592), (79, 2551120), (80, 2519231), (88, 2290210), (104, 1937870), (110, 1832168), (130, 1550296), (143, 1409360), (158, 1275560), (176, 1145105), (208, 968935), (220, 916084), (223, 903760), (260, 775148), (286, 704680), (316, 637780), (395, 510224), (440, 458042), (446, 451880), (520, 387574), (572, 352340), (632, 318890), (715, 281872), (790, 255112), (869, 231920), (880, 229021), (892, 225940), (1027, 196240), (1040, 193787), (1115, 180752), (1144, 176170), (1264, 159445), (1430, 140936), (1580, 127556), (1738, 115960), (1784, 112970), (2054, 98120), (2230, 90376), (2288, 88085), (2453, 82160), (2860, 70468), (2899, 69520), (3160, 63778), (3476, 57980), (3568, 56485), (4108, 49060), (4345, 46384), (4460, 45188), (4906, 41080), (5135, 39248), (5720, 35234), (5798, 34760), (6320, 31889), (6952, 28990), (8216, 24530), (8690, 23192), (8920, 22594), (9812, 20540), (10270, 19624), (11297, 17840), (11440, 17617), (11596, 17380), (12265, 16432), (13904, 14495)]