280329280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:433

約数の個数: 224

約数和(自身を含む): 861437952

約数和(自身を除く): 581108672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 320, 341, 352, 367, 385, 434, 440, 448, 496, 560, 616, 620, 682, 704, 734, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1468, 1540, 1705, 1736, 1760, 1835, 1984, 2170, 2240, 2387, 2464, 2480, 2569, 2728, 2936, 3080, 3410, 3472, 3520, 3670, 4037, 4340, 4774, 4928, 4960, 5138, 5456, 5872, 6160, 6820, 6944, 7340, 8074, 8680, 9548, 9920, 10276, 10912, 11377, 11744, 11935, 12320, 12845, 13640, 13888, 14680, 16148, 17360, 19096, 20185, 20552, 21824, 22754, 23488, 23870, 24640, 25690, 27280, 28259, 29360, 32296, 34720, 38192, 40370, 41104, 45508, 47740, 51380, 54560, 56518, 56885, 58720, 64592, 69440, 76384, 79639, 80740, 82208, 91016, 95480, 102760, 109120, 113036, 113770, 117440, 125147, 129184, 141295, 152768, 159278, 161480, 164416, 182032, 190960, 205520, 226072, 227540, 250294, 258368, 282590, 318556, 322960, 364064, 381920, 398195, 411040, 452144, 455080, 500588, 565180, 625735, 637112, 645920, 728128, 763840, 796390, 822080, 876029, 904288, 910160, 1001176, 1130360, 1251470, 1274224, 1291840, 1592780, 1752058, 1808576, 1820320, 2002352, 2260720, 2502940, 2548448, 3185560, 3504116, 3640640, 4004704, 4380145, 4521440, 5005880, 5096896, 6371120, 7008232, 8009408, 8760290, 9042880, 10011760, 12742240, 14016464, 17520580, 20023520, 25484480, 28032928, 35041160, 40047040, 56065856, 70082320, 140164640, 280329280]

約数ペア:

[(1, 280329280), (2, 140164640), (4, 70082320), (5, 56065856), (7, 40047040), (8, 35041160), (10, 28032928), (11, 25484480), (14, 20023520), (16, 17520580), (20, 14016464), (22, 12742240), (28, 10011760), (31, 9042880), (32, 8760290), (35, 8009408), (40, 7008232), (44, 6371120), (55, 5096896), (56, 5005880), (62, 4521440), (64, 4380145), (70, 4004704), (77, 3640640), (80, 3504116), (88, 3185560), (110, 2548448), (112, 2502940), (124, 2260720), (140, 2002352), (154, 1820320), (155, 1808576), (160, 1752058), (176, 1592780), (217, 1291840), (220, 1274224), (224, 1251470), (248, 1130360), (280, 1001176), (308, 910160), (310, 904288), (320, 876029), (341, 822080), (352, 796390), (367, 763840), (385, 728128), (434, 645920), (440, 637112), (448, 625735), (496, 565180), (560, 500588), (616, 455080), (620, 452144), (682, 411040), (704, 398195), (734, 381920), (770, 364064), (868, 322960), (880, 318556), (992, 282590), (1085, 258368), (1120, 250294), (1232, 227540), (1240, 226072), (1364, 205520), (1468, 190960), (1540, 182032), (1705, 164416), (1736, 161480), (1760, 159278), (1835, 152768), (1984, 141295), (2170, 129184), (2240, 125147), (2387, 117440), (2464, 113770), (2480, 113036), (2569, 109120), (2728, 102760), (2936, 95480), (3080, 91016), (3410, 82208), (3472, 80740), (3520, 79639), (3670, 76384), (4037, 69440), (4340, 64592), (4774, 58720), (4928, 56885), (4960, 56518), (5138, 54560), (5456, 51380), (5872, 47740), (6160, 45508), (6820, 41104), (6944, 40370), (7340, 38192), (8074, 34720), (8680, 32296), (9548, 29360), (9920, 28259), (10276, 27280), (10912, 25690), (11377, 24640), (11744, 23870), (11935, 23488), (12320, 22754), (12845, 21824), (13640, 20552), (13888, 20185), (14680, 19096), (16148, 17360)]