172800138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 445464576

約数和(自身を除く): 272664438

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 37, 42, 51, 62, 74, 93, 102, 111, 119, 186, 211, 217, 222, 238, 259, 357, 422, 434, 518, 527, 629, 633, 651, 714, 777, 1054, 1147, 1258, 1266, 1302, 1477, 1554, 1581, 1887, 2294, 2954, 3162, 3441, 3587, 3689, 3774, 4403, 4431, 6541, 6882, 7174, 7378, 7807, 8029, 8806, 8862, 10761, 11067, 13082, 13209, 15614, 16058, 19499, 19623, 21522, 22134, 23421, 24087, 25109, 26418, 38998, 39246, 45787, 46842, 48174, 50218, 54649, 58497, 75327, 91574, 109298, 111197, 116994, 132719, 136493, 137361, 150654, 163947, 222394, 242017, 265438, 272986, 274722, 327894, 333591, 398157, 409479, 484034, 667182, 726051, 778379, 796314, 818958, 929033, 1452102, 1556758, 1694119, 1858066, 2335137, 2787099, 3388238, 4114289, 4670274, 5082357, 5574198, 8228578, 10164714, 12342867, 24685734, 28800023, 57600046, 86400069, 172800138]

約数ペア:

[(1, 172800138), (2, 86400069), (3, 57600046), (6, 28800023), (7, 24685734), (14, 12342867), (17, 10164714), (21, 8228578), (31, 5574198), (34, 5082357), (37, 4670274), (42, 4114289), (51, 3388238), (62, 2787099), (74, 2335137), (93, 1858066), (102, 1694119), (111, 1556758), (119, 1452102), (186, 929033), (211, 818958), (217, 796314), (222, 778379), (238, 726051), (259, 667182), (357, 484034), (422, 409479), (434, 398157), (518, 333591), (527, 327894), (629, 274722), (633, 272986), (651, 265438), (714, 242017), (777, 222394), (1054, 163947), (1147, 150654), (1258, 137361), (1266, 136493), (1302, 132719), (1477, 116994), (1554, 111197), (1581, 109298), (1887, 91574), (2294, 75327), (2954, 58497), (3162, 54649), (3441, 50218), (3587, 48174), (3689, 46842), (3774, 45787), (4403, 39246), (4431, 38998), (6541, 26418), (6882, 25109), (7174, 24087), (7378, 23421), (7807, 22134), (8029, 21522), (8806, 19623), (8862, 19499), (10761, 16058), (11067, 15614), (13082, 13209)]