266354480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 744714240

約数和(自身を除く): 478359760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 217, 229, 248, 268, 280, 310, 335, 434, 458, 469, 496, 536, 560, 620, 670, 868, 916, 938, 1072, 1085, 1145, 1240, 1340, 1603, 1736, 1832, 1876, 2077, 2170, 2290, 2345, 2480, 2680, 3206, 3472, 3664, 3752, 4154, 4340, 4580, 4690, 5360, 6412, 7099, 7504, 8015, 8308, 8680, 9160, 9380, 10385, 12824, 14198, 14539, 15343, 16030, 16616, 17360, 18320, 18760, 20770, 25648, 28396, 29078, 30686, 32060, 33232, 35495, 37520, 41540, 49693, 56792, 58156, 61372, 64120, 70990, 72695, 76715, 83080, 99386, 107401, 113584, 116312, 122744, 128240, 141980, 145390, 153430, 166160, 198772, 214802, 232624, 245488, 248465, 283960, 290780, 306860, 397544, 429604, 475633, 496930, 537005, 567920, 581560, 613720, 795088, 859208, 951266, 993860, 1074010, 1163120, 1227440, 1718416, 1902532, 1987720, 2148020, 2378165, 3329431, 3805064, 3975440, 4296040, 4756330, 6658862, 7610128, 8592080, 9512660, 13317724, 16647155, 19025320, 26635448, 33294310, 38050640, 53270896, 66588620, 133177240, 266354480]

約数ペア:

[(1, 266354480), (2, 133177240), (4, 66588620), (5, 53270896), (7, 38050640), (8, 33294310), (10, 26635448), (14, 19025320), (16, 16647155), (20, 13317724), (28, 9512660), (31, 8592080), (35, 7610128), (40, 6658862), (56, 4756330), (62, 4296040), (67, 3975440), (70, 3805064), (80, 3329431), (112, 2378165), (124, 2148020), (134, 1987720), (140, 1902532), (155, 1718416), (217, 1227440), (229, 1163120), (248, 1074010), (268, 993860), (280, 951266), (310, 859208), (335, 795088), (434, 613720), (458, 581560), (469, 567920), (496, 537005), (536, 496930), (560, 475633), (620, 429604), (670, 397544), (868, 306860), (916, 290780), (938, 283960), (1072, 248465), (1085, 245488), (1145, 232624), (1240, 214802), (1340, 198772), (1603, 166160), (1736, 153430), (1832, 145390), (1876, 141980), (2077, 128240), (2170, 122744), (2290, 116312), (2345, 113584), (2480, 107401), (2680, 99386), (3206, 83080), (3472, 76715), (3664, 72695), (3752, 70990), (4154, 64120), (4340, 61372), (4580, 58156), (4690, 56792), (5360, 49693), (6412, 41540), (7099, 37520), (7504, 35495), (8015, 33232), (8308, 32060), (8680, 30686), (9160, 29078), (9380, 28396), (10385, 25648), (12824, 20770), (14198, 18760), (14539, 18320), (15343, 17360), (16030, 16616)]